小学五年级下册的奥数题 多一点 五年级下册奥数题及答案

20\u9053\u4e94\u5e74\u7ea7\u4e0b\u5b66\u671f\u5965\u6570\u9898\uff08\u7b80\u5355\u4e00\u70b9\u7684\uff09\u4e0d\u8981\u7b54\u6848

\u8fc7\u6865\u95ee\u9898\uff081\uff09
1. \u4e00\u5217\u706b\u8f66\u7ecf\u8fc7\u5357\u4eac\u957f\u6c5f\u5927\u6865\uff0c\u5927\u6865\u957f6700\u7c73\uff0c\u8fd9\u5217\u706b\u8f66\u957f140\u7c73\uff0c\u706b\u8f66\u6bcf\u5206\u949f\u884c400\u7c73\uff0c\u8fd9\u5217\u706b\u8f66\u901a\u8fc7\u957f\u6c5f\u5927\u6865\u9700\u8981\u591a\u5c11\u5206\u949f\uff1f
\u5206\u6790\uff1a\u8fd9\u9053\u9898\u6c42\u7684\u662f\u901a\u8fc7\u65f6\u95f4\u3002\u6839\u636e\u6570\u91cf\u5173\u7cfb\u5f0f\uff0c\u6211\u4eec\u77e5\u9053\u8981\u60f3\u6c42\u901a\u8fc7\u65f6\u95f4\uff0c\u5c31\u8981\u77e5\u9053\u8def\u7a0b\u548c\u901f\u5ea6\u3002\u8def\u7a0b\u662f\u7528\u6865\u957f\u52a0\u4e0a\u8f66\u957f\u3002\u706b\u8f66\u7684\u901f\u5ea6\u662f\u5df2\u77e5\u6761\u4ef6\u3002
\u603b\u8def\u7a0b\uff1a \uff08\u7c73\uff09
\u901a\u8fc7\u65f6\u95f4\uff1a \uff08\u5206\u949f\uff09
\u7b54\uff1a\u8fd9\u5217\u706b\u8f66\u901a\u8fc7\u957f\u6c5f\u5927\u6865\u9700\u898117.1\u5206\u949f\u3002

2. \u4e00\u5217\u706b\u8f66\u957f200\u7c73\uff0c\u5168\u8f66\u901a\u8fc7\u957f700\u7c73\u7684\u6865\u9700\u898130\u79d2\u949f\uff0c\u8fd9\u5217\u706b\u8f66\u6bcf\u79d2\u884c\u591a\u5c11\u7c73\uff1f
\u5206\u6790\u4e0e\u89e3\u7b54\uff1a\u8fd9\u662f\u4e00\u9053\u6c42\u8f66\u901f\u7684\u8fc7\u6865\u95ee\u9898\u3002\u6211\u4eec\u77e5\u9053\uff0c\u8981\u60f3\u6c42\u8f66\u901f\uff0c\u6211\u4eec\u5c31\u8981\u77e5\u9053\u8def\u7a0b\u548c\u901a\u8fc7\u65f6\u95f4\u8fd9\u4e24\u4e2a\u6761\u4ef6\u3002\u53ef\u4ee5\u7528\u5df2\u77e5\u6761\u4ef6\u6865\u957f\u548c\u8f66\u957f\u6c42\u51fa\u8def\u7a0b\uff0c\u901a\u8fc7\u65f6\u95f4\u4e5f\u662f\u5df2\u77e5\u6761\u4ef6\uff0c\u6240\u4ee5\u8f66\u901f\u53ef\u4ee5\u5f88\u65b9\u4fbf\u6c42\u51fa\u3002
\u603b\u8def\u7a0b\uff1a \uff08\u7c73\uff09
\u706b\u8f66\u901f\u5ea6\uff1a \uff08\u7c73\uff09
\u7b54\uff1a\u8fd9\u5217\u706b\u8f66\u6bcf\u79d2\u884c30\u7c73\u3002

3. \u4e00\u5217\u706b\u8f66\u957f240\u7c73\uff0c\u8fd9\u5217\u706b\u8f66\u6bcf\u79d2\u884c15\u7c73\uff0c\u4ece\u8f66\u5934\u8fdb\u5c71\u6d1e\u5230\u5168\u8f66\u51fa\u5c71\u6d1e\u5171\u752820\u79d2\uff0c\u5c71\u6d1e\u957f\u591a\u5c11\u7c73\uff1f
\u5206\u6790\u4e0e\u89e3\u7b54\uff1a\u706b\u8f66\u8fc7\u5c71\u6d1e\u548c\u706b\u8f66\u8fc7\u6865\u7684\u601d\u8def\u662f\u4e00\u6837\u7684\u3002\u706b\u8f66\u5934\u8fdb\u5c71\u6d1e\u5c31\u76f8\u5f53\u4e8e\u706b\u8f66\u5934\u4e0a\u6865\uff1b\u5168\u8f66\u51fa\u6d1e\u5c31\u76f8\u5f53\u4e8e\u8f66\u5c3e\u4e0b\u6865\u3002\u8fd9\u9053\u9898\u6c42\u5c71\u6d1e\u7684\u957f\u5ea6\u4e5f\u5c31\u76f8\u5f53\u4e8e\u6c42\u6865\u957f\uff0c\u6211\u4eec\u5c31\u5fc5\u987b\u77e5\u9053\u603b\u8def\u7a0b\u548c\u8f66\u957f\uff0c\u8f66\u957f\u662f\u5df2\u77e5\u6761\u4ef6\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u8981\u5229\u7528\u9898\u4e2d\u6240\u7ed9\u7684\u8f66\u901f\u548c\u901a\u8fc7\u65f6\u95f4\u6c42\u51fa\u603b\u8def\u7a0b\u3002
\u603b\u8def\u7a0b\uff1a
\u5c71\u6d1e\u957f\uff1a \uff08\u7c73\uff09
\u7b54\uff1a\u8fd9\u4e2a\u5c71\u6d1e\u957f60\u7c73\u3002

\u548c\u500d\u95ee\u9898
1. \u79e6\u594b\u548c\u5988\u5988\u7684\u5e74\u9f84\u52a0\u5728\u4e00\u8d77\u662f40\u5c81\uff0c\u5988\u5988\u7684\u5e74\u9f84\u662f\u79e6\u594b\u5e74\u9f84\u76844\u500d\uff0c\u95ee\u79e6\u594b\u548c\u5988\u5988\u5404\u662f\u591a\u5c11\u5c81\uff1f
\u6211\u4eec\u628a\u79e6\u594b\u7684\u5e74\u9f84\u4f5c\u4e3a1\u500d\uff0c\u201c\u5988\u5988\u7684\u5e74\u9f84\u662f\u79e6\u594b\u76844\u500d\u201d\uff0c\u8fd9\u6837\u79e6\u594b\u548c\u5988\u5988\u5e74\u9f84\u7684\u548c\u5c31\u76f8\u5f53\u4e8e\u79e6\u594b\u5e74\u9f84\u76845\u500d\u662f40\u5c81\uff0c\u4e5f\u5c31\u662f\uff084\uff0b1\uff09\u500d\uff0c\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a5\u4efd\u662f40\u5c81\uff0c\u90a3\u4e48\u6c421\u500d\u662f\u591a\u5c11\uff0c\u63a5\u7740\u518d\u6c424\u500d\u662f\u591a\u5c11\uff1f
\uff081\uff09\u79e6\u594b\u548c\u5988\u5988\u5e74\u9f84\u500d\u6570\u548c\u662f\uff1a4\uff0b1\uff1d5\uff08\u500d\uff09
\uff082\uff09\u79e6\u594b\u7684\u5e74\u9f84\uff1a40\u00f75\uff1d8\u5c81
\uff083\uff09\u5988\u5988\u7684\u5e74\u9f84\uff1a8\u00d74\uff1d32\u5c81
\u7efc\u5408\uff1a40\u00f7\uff084\uff0b1\uff09\uff1d8\u5c81 8\u00d74\uff1d32\u5c81
\u4e3a\u4e86\u4fdd\u8bc1\u6b64\u9898\u7684\u6b63\u786e\uff0c\u9a8c\u8bc1
\uff081\uff098\uff0b32\uff1d40\u5c81 \uff082\uff0932\u00f78\uff1d4\uff08\u500d\uff09
\u8ba1\u7b97\u7ed3\u679c\u7b26\u5408\u6761\u4ef6\uff0c\u6240\u4ee5\u89e3\u9898\u6b63\u786e\u3002
2. \u7532\u4e59\u4e24\u67b6\u98de\u673a\u540c\u65f6\u4ece\u673a\u573a\u5411\u76f8\u53cd\u65b9\u5411\u98de\u884c\uff0c3\u5c0f\u65f6\u5171\u98de\u884c3600\u5343\u7c73\uff0c\u7532\u7684\u901f\u5ea6\u662f\u4e59\u76842\u500d\uff0c\u6c42\u5b83\u4eec\u7684\u901f\u5ea6\u5404\u662f\u591a\u5c11\uff1f
\u5df2\u77e5\u4e24\u67b6\u98de\u673a3\u5c0f\u65f6\u5171\u98de\u884c3600\u5343\u7c73\uff0c\u5c31\u53ef\u4ee5\u6c42\u51fa\u4e24\u67b6\u98de\u673a\u6bcf\u5c0f\u65f6\u98de\u884c\u7684\u822a\u7a0b\uff0c\u4e5f\u5c31\u662f\u4e24\u67b6\u98de\u673a\u7684\u901f\u5ea6\u548c\u3002\u770b\u56fe\u53ef\u77e5\uff0c\u8fd9\u4e2a\u901f\u5ea6\u548c\u76f8\u5f53\u4e8e\u4e59\u98de\u673a\u901f\u5ea6\u76843\u500d\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6c42\u51fa\u4e59\u98de\u673a\u7684\u901f\u5ea6\uff0c\u518d\u6839\u636e\u4e59\u98de\u673a\u7684\u901f\u5ea6\u6c42\u51fa\u7532\u98de\u673a\u7684\u901f\u5ea6\u3002
\u7532\u4e59\u98de\u673a\u7684\u901f\u5ea6\u5206\u522b\u6bcf\u5c0f\u65f6\u884c800\u5343\u7c73\u3001400\u5343\u7c73\u3002
3. \u5f1f\u5f1f\u6709\u8bfe\u5916\u4e6620\u672c\uff0c\u54e5\u54e5\u6709\u8bfe\u5916\u4e6625\u672c\uff0c\u54e5\u54e5\u7ed9\u5f1f\u5f1f\u591a\u5c11\u672c\u540e\uff0c\u5f1f\u5f1f\u7684\u8bfe\u5916\u4e66\u662f\u54e5\u54e5\u76842\u500d\uff1f
\u601d\u8003\uff1a\uff081\uff09\u54e5\u54e5\u5728\u7ed9\u5f1f\u5f1f\u8bfe\u5916\u4e66\u524d\u540e\uff0c\u9898\u76ee\u4e2d\u4e0d\u53d8\u7684\u6570\u91cf\u662f\u4ec0\u4e48\uff1f
\uff082\uff09\u8981\u60f3\u6c42\u54e5\u54e5\u7ed9\u5f1f\u5f1f\u591a\u5c11\u672c\u8bfe\u5916\u4e66\uff0c\u9700\u8981\u77e5\u9053\u4ec0\u4e48\u6761\u4ef6\uff1f
\uff083\uff09\u5982\u679c\u628a\u54e5\u54e5\u5269\u4e0b\u7684\u8bfe\u5916\u4e66\u770b\u4f5c1\u500d\uff0c\u90a3\u4e48\u8fd9\u65f6\uff08\u54e5\u54e5\u7ed9\u5f1f\u5f1f\u8bfe\u5916\u4e66\u540e\uff09\u5f1f\u5f1f\u7684\u8bfe\u5916\u4e66\u53ef\u770b\u4f5c\u662f\u54e5\u54e5\u5269\u4e0b\u7684\u8bfe\u5916\u4e66\u7684\u51e0\u500d\uff1f
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\uff082\uff09\u54e5\u54e5\u7ed9\u5f1f\u5f1f\u82e5\u5e72\u672c\u8bfe\u5916\u4e66\u540e\uff0c\u5144\u5f1f\u4fe9\u5171\u6709\u7684\u500d\u6570\u662f2\uff0b1\uff1d3\u3002
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\u8bd5\u7740\u5217\u51fa\u7efc\u5408\u7b97\u5f0f\uff1a
4. \u7532\u4e59\u4e24\u4e2a\u7cae\u5e93\u539f\u6765\u5171\u5b58\u7cae170\u5428\uff0c\u540e\u6765\u4ece\u7532\u5e93\u8fd0\u51fa30\u5428\uff0c\u7ed9\u4e59\u5e93\u8fd0\u8fdb10\u5428\uff0c\u8fd9\u65f6\u7532\u5e93\u5b58\u7cae\u662f\u4e59\u5e93\u5b58\u7cae\u76842\u500d\uff0c\u4e24\u4e2a\u7cae\u5e93\u539f\u6765\u5404\u5b58\u7cae\u591a\u5c11\u5428\uff1f
\u6839\u636e\u7532\u4e59\u4e24\u4e2a\u7cae\u5e93\u539f\u6765\u5171\u5b58\u7cae170\u5428\uff0c\u540e\u6765\u4ece\u7532\u5e93\u8fd0\u51fa30\u5428\uff0c\u7ed9\u4e59\u5e93\u8fd0\u8fdb10\u5428\uff0c\u53ef\u6c42\u51fa\u8fd9\u65f6\u7532\u3001\u4e59\u4e24\u5e93\u5171\u5b58\u7cae\u591a\u5c11\u5428\u3002\u6839\u636e\u201c\u8fd9\u65f6\u7532\u5e93\u5b58\u7cae\u662f\u4e59\u5e93\u5b58\u7cae\u76842\u500d\u201d\uff0c\u5982\u679c\u8fd9\u65f6\u628a\u4e59\u5e93\u5b58\u7cae\u4f5c\u4e3a1\u500d\uff0c\u90a3\u4e48\u7532\u3001\u4e59\u5e93\u6240\u5b58\u7cae\u5c31\u76f8\u5f53\u4e8e\u4e59\u5b58\u7cae\u76843\u500d\u3002\u4e8e\u662f\u6c42\u51fa\u8fd9\u65f6\u4e59\u5e93\u5b58\u7cae\u591a\u5c11\u5428\uff0c\u8fdb\u800c\u53ef\u6c42\u51fa\u4e59\u5e93\u539f\u6765\u5b58\u7cae\u591a\u5c11\u5428\u3002\u6700\u540e\u5c31\u53ef\u6c42\u51fa\u7532\u5e93\u539f\u6765\u5b58\u7cae\u591a\u5c11\u5428\u3002
\u7532\u5e93\u539f\u5b58\u7cae130\u5428\uff0c\u4e59\u5e93\u539f\u5b58\u7cae40\u5428\u3002

\u5217\u65b9\u7a0b\u7ec4\u89e3\u5e94\u7528\u9898\uff08\u4e00\uff09
1. \u7528\u767d\u94c1\u76ae\u505a\u7f50\u5934\u76d2\uff0c\u6bcf\u5f20\u94c1\u76ae\u53ef\u5236\u76d2\u8eab16\u4e2a\uff0c\u6216\u5236\u76d2\u5e9543\u4e2a\uff0c\u4e00\u4e2a\u76d2\u8eab\u548c\u4e24\u4e2a\u76d2\u5e95\u914d\u6210\u4e00\u4e2a\u7f50\u5934\u76d2\uff0c\u73b0\u6709150\u5f20\u94c1\u76ae\uff0c\u7528\u591a\u5c11\u5f20\u5236\u76d2\u8eab\uff0c\u591a\u5c11\u5f20\u5236\u76d2\u5e95\uff0c\u624d\u80fd\u4f7f\u76d2\u8eab\u4e0e\u76d2\u5e95\u6b63\u597d\u914d\u5957\uff1f
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\u4e24\u4e2a\u7b49\u91cf\u5173\u7cfb\u662f\uff1aA\u505a\u76d2\u8eab\u5f20\u6570+\u505a\u76d2\u5e95\u7684\u5f20\u6570=\u94c1\u76ae\u603b\u5f20\u6570
B\u5236\u51fa\u7684\u76d2\u8eab\u6570\u00d72=\u5236\u51fa\u7684\u76d2\u5e95\u6570
\u752886\u5f20\u767d\u94c1\u76ae\u505a\u76d2\u8eab\uff0c64\u5f20\u767d\u94c1\u76ae\u505a\u76d2\u5e95\u3002

\u5947\u6570\u4e0e\u5076\u6570\uff08\u4e00\uff09
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\u4f8b\u5982\uff1a8+4=12\uff0c8-4=4\u7b49\u3002
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\u4f8b\u5982\uff1a9+3=12\uff0c9-3=6\u7b49\u3002
\u5947\u6570\u4e0e\u5076\u6570\u7684\u548c\u6216\u5dee\u662f\u5947\u6570\u3002
\u4f8b\u5982\uff1a9+4=13\uff0c9-4=5\u7b49\u3002
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\u6027\u8d282 \u5947\u6570\u4e0e\u5947\u6570\u7684\u79ef\u662f\u5947\u6570\u3002

\u5076\u6570\u4e0e\u6574\u6570\u7684\u79ef\u662f\u5076\u6570\u3002

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1. \u67095\u5f20\u6251\u514b\u724c\uff0c\u753b\u9762\u5411\u4e0a\u3002\u5c0f\u660e\u6bcf\u6b21\u7ffb\u8f6c\u5176\u4e2d\u76844\u5f20\uff0c\u90a3\u4e48\uff0c\u4ed6\u80fd\u5728\u7ffb\u52a8\u82e5\u5e72\u6b21\u540e\uff0c\u4f7f5\u5f20\u724c\u7684\u753b\u9762\u90fd\u5411\u4e0b\u5417\uff1f
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5\u4e2a\u5947\u6570\u7684\u548c\u662f\u5947\u6570\uff0c\u6240\u4ee5\u7ffb\u52a8\u7684\u603b\u5f20\u6570\u4e3a\u5947\u6570\u65f6\u624d\u80fd\u4f7f5\u5f20\u724c\u7684\u724c\u9762\u90fd\u5411\u4e0b\u3002\u800c\u5c0f\u660e\u6bcf\u6b21\u7ffb\u52a84\u5f20\uff0c\u4e0d\u7ba1\u7ffb\u591a\u5c11\u6b21\uff0c\u7ffb\u52a8\u7684\u603b\u5f20\u6570\u90fd\u662f\u5076\u6570\u3002
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2. \u7532\u76d2\u4e2d\u653e\u6709180\u4e2a\u767d\u8272\u56f4\u68cb\u5b50\u548c181\u4e2a\u9ed1\u8272\u56f4\u68cb\u5b50\uff0c\u4e59\u76d2\u4e2d\u653e\u6709181\u4e2a\u767d\u8272\u56f4\u68cb\u5b50\uff0c\u674e\u5e73\u6bcf\u6b21\u4efb\u610f\u4ece\u7532\u76d2\u4e2d\u6478\u51fa\u4e24\u4e2a\u68cb\u5b50\uff0c\u5982\u679c\u4e24\u4e2a\u68cb\u5b50\u540c\u8272\uff0c\u4ed6\u5c31\u4ece\u4e59\u76d2\u4e2d\u62ff\u51fa\u4e00\u4e2a\u767d\u5b50\u653e\u5165\u7532\u76d2\uff1b\u5982\u679c\u4e24\u4e2a\u68cb\u5b50\u4e0d\u540c\u8272\uff0c\u4ed6\u5c31\u628a\u9ed1\u5b50\u653e\u56de\u7532\u76d2\u3002\u90a3\u4e48\u4ed6\u62ff\u591a\u5c11\u540e\uff0c\u7532\u76d2\u4e2d\u53ea\u5269\u4e0b\u4e00\u4e2a\u68cb\u5b50\uff0c\u8fd9\u4e2a\u68cb\u5b50\u662f\u4ec0\u4e48\u989c\u8272\u7684\uff1f
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\u5965\u8d5b\u4e13\u9898 -- \u79f0\u7403\u95ee\u9898
\u4f8b1 \u67094\u5806\u5916\u8868\u4e0a\u4e00\u6837\u7684\u7403\uff0c\u6bcf\u58064\u4e2a\u3002\u5df2\u77e5\u5176\u4e2d\u4e09\u5806\u662f\u6b63\u54c1\u3001\u4e00\u5806\u662f\u6b21\u54c1\uff0c\u6b63\u54c1\u7403\u6bcf\u4e2a\u91cd10\u514b\uff0c\u6b21\u54c1\u7403\u6bcf\u4e2a\u91cd11\u514b\uff0c\u8bf7\u4f60\u7528\u5929\u5e73\u53ea\u79f0\u4e00\u6b21\uff0c\u628a\u662f\u6b21\u54c1\u7684\u90a3\u5806\u627e\u51fa\u6765\u3002
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2 \u670927\u4e2a\u5916\u8868\u4e0a\u4e00\u6837\u7684\u7403\uff0c\u5176\u4e2d\u53ea\u6709\u4e00\u4e2a\u662f\u6b21\u54c1\uff0c\u91cd\u91cf\u6bd4\u6b63\u54c1\u8f7b\uff0c\u8bf7\u4f60\u7528\u5929\u5e73\u53ea\u79f0\u4e09\u6b21\uff08\u4e0d\u7528\u781d\u7801\uff09\uff0c\u628a\u6b21\u54c1\u7403\u627e\u51fa\u6765\u3002
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\u5965\u8d5b\u4e13\u9898 -- \u62bd\u5c49\u539f\u7406
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\u7b54\uff1a\u9e21\u670928\u53ea\uff0c\u514d\u670918\u53ea\u3002
\u4f8b2 \u9e21\u4e0e\u5154\u5171\u6709100\u53ea\uff0c\u9e21\u7684\u811a\u6bd4\u5154\u7684\u811a\u591a80\u53ea\uff0c\u95ee\u9e21\u4e0e\u5154\u5404\u591a\u5c11\u53ea\uff1f
[\u5206\u6790]\uff1a \u8fd9\u4e2a\u4f8b\u9898\u4e0e\u524d\u9762\u4f8b\u9898\u662f\u6709\u533a\u522b\u7684\uff0c\u6ca1\u6709\u7ed9\u51fa\u5b83\u4eec\u811a\u6570\u7684\u603b\u548c\uff0c\u800c\u662f\u7ed9\u51fa\u4e86\u5b83\u4eec\u811a\u6570\u7684\u5dee.\u8fd9\u53c8\u5982\u4f55\u89e3\u7b54\u5462\uff1f
\u5047\u8bbe100\u53ea\u5168\u662f\u9e21\uff0c\u90a3\u4e48\u811a\u7684\u603b\u6570\u662f2\u00d7100=200\uff08\u53ea\uff09\u8fd9\u65f6\u5154\u7684\u811a\u6570\u4e3a0\uff0c\u9e21\u811a\u6bd4\u5154\u811a\u591a200\u53ea\uff0c\u800c\u5b9e\u9645\u4e0a\u9e21\u811a\u6bd4\u5154\u811a\u591a80\u53ea.\u56e0\u6b64\uff0c\u9e21\u811a\u4e0e\u5154\u811a\u7684\u5dee\u6570\u6bd4\u5df2\u77e5\u591a\u4e86\uff08200-80\uff09=120\uff08\u53ea\uff09\uff0c\u8fd9\u662f\u56e0\u4e3a\u628a\u5176\u4e2d\u7684\u5154\u6362\u6210\u4e86\u9e21.\u6bcf\u628a\u4e00\u53ea\u5154\u6362\u6210\u9e21\uff0c\u9e21\u7684\u811a\u6570\u5c06\u589e\u52a02\u53ea\uff0c\u5154\u7684\u811a\u6570\u51cf\u5c114\u53ea.\u90a3\u4e48\uff0c\u9e21\u811a\u4e0e\u5154\u811a\u7684\u5dee\u6570\u589e\u52a0\uff082+4\uff09=6\uff08\u53ea\uff09\uff0c\u6240\u4ee5\u6362\u6210\u9e21\u7684\u5154\u5b50\u6709120\u00f76=20\uff08\u53ea\uff09.\u6709\u9e21\uff08100-20\uff09=80\uff08\u53ea\uff09\u3002
\u89e3\uff1a\uff082\u00d7100-80\uff09\u00f7\uff082+4\uff09=20\uff08\u53ea\uff09\u3002
100-20=80\uff08\u53ea\uff09\u3002
\u7b54\uff1a\u9e21\u4e0e\u5154\u5206\u522b\u670980\u53ea\u548c20\u53ea\u3002
\u4f8b3 \u7ea2\u82f1\u5c0f\u5b66\u4e09\u5e74\u7ea7\u67093\u4e2a\u73ed\u5171135\u4eba\uff0c\u4e8c\u73ed\u6bd4\u4e00\u73ed\u591a5\u4eba\uff0c\u4e09\u73ed\u6bd4\u4e8c\u73ed\u5c117\u4eba\uff0c\u4e09\u4e2a\u73ed\u5404\u6709\u591a\u5c11\u4eba\uff1f
[\u5206\u67901] \u6211\u4eec\u8bbe\u60f3\uff0c\u5982\u679c\u6761\u4ef6\u4e2d\u4e09\u4e2a\u73ed\u4eba\u6570\u540c\u6837\u591a\uff0c\u90a3\u4e48\uff0c\u8981\u6c42\u6bcf\u73ed\u6709\u591a\u5c11\u4eba\u5c31\u5f88\u5bb9\u6613\u4e86.\u7531\u6b64\u5f97\u5230\u542f\u793a\uff0c\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u5047\u8bbe\u4e09\u4e2a\u73ed\u4eba\u6570\u540c\u6837\u591a\u6765\u5206\u6790\u6c42\u89e3\u3002
\u7ed3\u5408\u4e0b\u56fe\u53ef\u4ee5\u60f3\uff0c\u5047\u8bbe\u4e8c\u73ed\u3001\u4e09\u73ed\u4eba\u6570\u548c\u4e00\u73ed\u4eba\u6570\u76f8\u540c\uff0c\u4ee5\u4e00\u73ed\u4e3a\u6807\u51c6\uff0c\u5219\u4e8c\u73ed\u4eba\u6570\u8981\u6bd4\u5b9e\u9645\u4eba\u6570\u5c115\u4eba.\u4e09\u73ed\u4eba\u6570\u8981\u6bd4\u5b9e\u9645\u4eba\u6570\u591a7-5=2\uff08\u4eba\uff09.\u90a3\u4e48\uff0c\u8bf7\u4f60\u7b97\u4e00\u7b97\uff0c\u5047\u8bbe\u4e8c\u73ed\u3001\u4e09\u73ed\u4eba\u6570\u548c\u4e00\u73ed\u4eba\u6570\u540c\u6837\u591a\uff0c\u4e09\u4e2a\u73ed\u603b\u4eba\u6570\u5e94\u8be5\u662f\u591a\u5c11\uff1f
\u89e3\u6cd51\uff1a
\u4e00\u73ed\uff1a[135-5+\uff087-5\uff09]\u00f73=132\u00f73
=44\uff08\u4eba\uff09
\u4e8c\u73ed\uff1a44+5=49\uff08\u4eba\uff09
\u4e09\u73ed\uff1a49-7=42\uff08\u4eba\uff09
\u7b54\uff1a\u4e09\u5e74\u7ea7\u4e00\u73ed\u3001 \u4e8c\u73ed\u3001\u4e09\u73ed\u5206\u522b\u670944\u4eba\u3001 49\u4eba\u548c 42\u4eba\u3002
[\u5206\u67902] \u5047\u8bbe\u4e00\u3001\u4e09\u73ed\u4eba\u6570\u548c\u4e8c\u73ed\u4eba\u6570\u540c\u6837\u591a\uff0c\u90a3\u4e48\uff0c\u4e00\u73ed\u4eba\u6570\u6bd4\u5b9e\u9645\u8981\u591a5\u4eba\uff0c\u800c\u4e09\u73ed\u8981\u6bd4\u5b9e\u9645\u4eba\u6570\u591a7\u4eba.\u8fd9\u65f6\u7684\u603b\u4eba\u6570\u53c8\u8be5\u662f\u591a\u5c11\uff1f
\u89e3\u6cd52\uff1a\uff08135+ 5+ 7\uff09\u00f73 = 147\u00f73 = 49\uff08\u4eba\uff09
49-5=44\uff08\u4eba\uff09\uff0c49-7=42\uff08\u4eba\uff09
\u7b54\uff1a\u4e09\u5e74\u7ea7\u4e00\u73ed\u3001\u4e8c\u73ed\u3001\u4e09\u73ed\u5206\u522b\u670944\u4eba\u300149\u4eba\u548c42\u4eba\u3002
\u4f8b4 \u5218\u8001\u5e08\u5e26\u4e8641\u540d\u540c\u5b66\u53bb\u5317\u6d77\u516c\u56ed\u5212\u8239\uff0c\u5171\u79df\u4e8610\u6761\u8239.\u6bcf\u6761\u5927\u8239\u57506\u4eba\uff0c\u6bcf\u6761\u5c0f\u8239\u57504\u4eba\uff0c\u95ee\u5927\u8239\u3001\u5c0f\u8239\u5404\u79df\u51e0\u6761\uff1f
[\u5206\u6790] \u6211\u4eec\u5206\u6b65\u6765\u8003\u8651\uff1a
\u2460\u5047\u8bbe\u79df\u7684 10\u6761\u8239\u90fd\u662f\u5927\u8239\uff0c\u90a3\u4e48\u8239\u4e0a\u5e94\u8be5\u5750 6\u00d710= 60\uff08\u4eba\uff09\u3002
\u2461\u5047\u8bbe\u540e\u7684\u603b\u4eba\u6570\u6bd4\u5b9e\u9645\u4eba\u6570\u591a\u4e86 60-\uff0841+1\uff09=18\uff08\u4eba\uff09\uff0c\u591a\u7684\u539f\u56e0\u662f\u628a\u5c0f\u8239\u5750\u76844\u4eba\u90fd\u5047\u8bbe\u6210\u57506\u4eba\u3002
\u2462\u4e00\u6761\u5c0f\u8239\u5f53\u6210\u5927\u8239\u591a\u51fa2\u4eba\uff0c\u591a\u51fa\u768418\u4eba\u662f\u628a18\u00f72=9\uff08\u6761\uff09\u5c0f\u8239\u5f53\u6210\u5927\u8239\u3002
\u89e3\uff1a[6\u00d710-(41+1\uff09\u00f7\uff086-4\uff09
= 18\u00f72=9\uff08\u6761\uff09 10-9=1\uff08\u6761\uff09
\u7b54\uff1a\u67099\u6761\u5c0f\u8239\uff0c1\u6761\u5927\u8239\u3002
\u4f8b5 \u6709\u8718\u86db\u3001\u873b\u8713\u3001\u8749\u4e09\u79cd\u52a8\u7269\u517118\u53ea\uff0c\u5171\u6709\u817f118\u6761\uff0c\u7fc5\u818020\u5bf9\uff08\u8718\u86db8\u6761\u817f\uff1b\u873b\u87136\u6761\u817f\uff0c\u4e24\u5bf9\u7fc5\u8180\uff1b\u87496\u6761\u817f\uff0c\u4e00\u5bf9\u7fc5\u8180\uff09\uff0c\u6c42\u873b\u8713\u6709\u591a\u5c11\u53ea\uff1f
[\u5206\u6790] \u8fd9\u662f\u5728\u9e21\u5154\u540c\u7b3c\u57fa\u7840\u4e0a\u53d1\u5c55\u53d8\u5316\u7684\u95ee\u9898.\u89c2\u5bdf\u6570\u5b57\u7279\u70b9\uff0c\u873b\u8713\u3001\u8749\u90fd\u662f6\u6761\u817f\uff0c\u53ea\u6709\u8718\u86db8\u6761\u817f.\u56e0\u6b64\uff0c\u53ef\u5148\u4ece\u817f\u6570\u5165\u624b\uff0c\u6c42\u51fa\u8718\u86db\u7684\u53ea\u6570.\u6211\u4eec\u5047\u8bbe\u4e09\u79cd\u52a8\u7269\u90fd\u662f6\u6761\u817f\uff0c\u5219\u603b\u817f\u6570\u4e3a 6\u00d718=108\uff08\u6761\uff09\uff0c\u6240\u5dee 118-108=10\uff08\u6761\uff09\uff0c\u5fc5\u7136\u662f\u7531\u4e8e\u5c11\u7b97\u4e86\u8718\u86db\u7684\u817f\u6570\u800c\u9020\u6210\u7684.\u6240\u4ee5\uff0c\u5e94\u6709\uff08118-108\uff09\u00f7\uff088-6\uff09=5\uff08\u53ea\uff09\u8718\u86db.\u8fd9\u6837\u5269\u4e0b\u768418-5=13\uff08\u53ea\uff09\u4fbf\u662f\u873b\u8713\u548c\u8749\u7684\u53ea\u6570.\u518d\u4ece\u7fc5\u8180\u6570\u5165\u624b\uff0c\u5047\u8bbe13\u53ea\u90fd\u662f\u8749\uff0c\u5219\u603b\u7fc5\u8180\u65701\u00d713=13\uff08\u5bf9\uff09\uff0c\u6bd4\u5b9e\u9645\u6570\u5c11 20-13\uff1d7\uff08\u5bf9\uff09\uff0c\u8fd9\u662f\u7531\u4e8e\u873b\u8713\u6709\u4e24\u5bf9\u7fc5\u8180\uff0c\u800c\u6211\u4eec\u53ea\u6309\u4e00\u5bf9\u7fc5\u8180\u8ba1\u7b97\u6240\u5dee\uff0c\u8fd9\u6837\u873b\u8713\u53ea\u6570\u53ef\u6c427\u00f7\uff082-1\uff09=7\uff08\u53ea\uff09.
\u89e3\uff1a\u2460\u5047\u8bbe\u8718\u86db\u4e5f\u662f6\u6761\u817f\uff0c\u4e09\u79cd\u52a8\u7269\u5171\u6709\u591a\u5c11\u6761\u817f\uff1f
6\u00d718=108\uff08\u6761\uff09
\u2461\u6709\u8718\u86db\u591a\u5c11\u53ea\uff1f
\uff08118-108\uff09\u00f7\uff088-6\uff09=5\uff08\u53ea\uff09
\u2462\u873b\u8712\u3001\u8749\u5171\u6709\u591a\u5c11\u53ea\uff1f
18-5=13\uff08\u53ea\uff09
\u2463\u5047\u8bbe\u873b\u8712\u4e5f\u662f\u4e00\u5bf9\u7fc5\u8180\uff0c\u5171\u6709\u591a\u5c11\u5bf9\u7fc5\u8180\uff1f1\u00d713=13\uff08\u5bf9\uff09
\u2464\u873b\u8712\u591a\u5c11\u53ea\uff1f
\uff0820-13\uff09\u00f7 2-1\uff09= 7\uff08\u53ea\uff09
\u7b54\uff1a\u873b\u8712\u67097\u53ea.

\u5c0f\u5b66\u4e94\u5e74\u7ea7\u5965\u6570\u9898\u2014\u2014\u901f\u7b97\u4e0e\u5de7\u7b97

\u3000\u3000\u5728\u65e5\u5e38\u751f\u6d3b\u548c\u89e3\u7b54\u6570\u5b66\u95ee\u9898\u65f6\uff0c\u7ecf\u5e38\u8981\u8fdb\u884c\u8ba1\u7b97\uff0c\u5728\u6570\u5b66\u8bfe\u91cc\u6211\u4eec\u5b66\u4e60\u4e86\u4e00\u4e9b\u7b80\u4fbf\u8ba1\u7b97\u7684\u65b9\u6cd5\uff0c\u4f46\u5982\u679c\u5584\u4e8e\u89c2\u5bdf\u3001\u52e4\u4e8e\u601d\u8003\uff0c\u8ba1\u7b97\u4e2d\u8fd8\u80fd\u627e\u5230\u66f4\u591a\u7684\u5de7\u5999\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u4e0d\u4ec5\u4f7f\u4f60\u80fd\u7b97\u5f97\u597d\u3001\u7b97\u5f97\u5feb\uff0c\u8fd8\u53ef\u4ee5\u8ba9\u4f60\u53d8\u5f97\u806a\u660e\u548c\u673a\u654f\u3002

\u3000\u3000\u4f8b1\uff1a\u8ba1\u7b97\uff1a9.996\uff0b29.98\uff0b169.9\uff0b3999.5

\u3000\u3000\u89e3\uff1a\u7b97\u5f0f\u4e2d\u7684\u52a0\u6cd5\u770b\u6765\u65e0\u6cd5\u7528\u6570\u5b66\u8bfe\u4e2d\u5b66\u8fc7\u7684\u7b80\u7b97\u65b9\u6cd5\u8ba1\u7b97\uff0c\u4f46\u662f\uff0c\u8fd9\u51e0\u4e2a\u6570\u6bcf\u4e2a\u6570\u53ea\u8981\u589e\u52a0\u4e00\u70b9\uff0c\u5c31\u6210\u4e3a\u67d0\u4e2a\u6574\u5341\u3001\u6574\u767e\u6216\u6574\u5343\u6570\uff0c\u628a\u8fd9\u51e0\u4e2a\u6570\u201c\u51d1\u6574\u201d\u4ee5\u540e\uff0c\u5c31\u5bb9\u6613\u8ba1\u7b97\u4e86\u3002\u5f53\u7136\u8981\u8bb0\u4f4f\uff0c\u201c\u51d1\u6574\u201d\u65f6\u589e\u52a0\u4e86\u591a\u5c11\u8981\u51cf\u56de\u53bb\u3002

\u3000\u30009.996\uff0b29.98\uff0b169.9\uff0b3999.5

\u3000\u3000=10\uff0b30\uff0b170\uff0b4000\uff0d\uff080.004\uff0b0.02\uff0b0.1\uff0b0.5\uff09

\u3000\u3000=4210\uff0d0.624

\u3000\u3000=4209.376

\u4f8b2\uff1a\u8ba1\u7b97\uff1a1\uff0b0.99\uff0d0.98\uff0d0.97\uff0b0.96\uff0b0.95\uff0d0.94\uff0d0.93\uff0b\u2026\uff0b0.04\uff0b0.03\uff0d0.02\uff0d0.01

\u3000\u3000\u89e3\uff1a\u5f0f\u5b50\u7684\u6570\u662f\u4ece1\u5f00\u59cb\uff0c\u4f9d\u6b21\u51cf\u5c110.01\uff0c\u76f4\u5230\u6700\u540e\u4e00\u4e2a\u6570\u662f0.01\uff0c\u56e0\u6b64\uff0c\u5f0f\u4e2d\u5171\u6709100\u4e2a\u6570\u800c\u5f0f\u5b50\u4e2d\u7684\u8fd0\u7b97\u90fd\u662f\u4e24\u4e2a\u6570\u76f8\u52a0\u63a5\u7740\u51cf\u4e24\u4e2a\u6570\uff0c\u518d\u52a0\u4e24\u4e2a\u6570\uff0c\u518d\u51cf\u4e24\u4e2a\u6570\u2026\u2026\u8fd9\u6837\u7684\u987a\u5e8f\u6392\u5217\u7684\u3002

\u3000\u3000\u7531\u4e8e\u6570\u7684\u6392\u5217\u3001\u8fd0\u7b97\u7684\u6392\u5217\u90fd\u5f88\u6709\u89c4\u5f8b\uff0c\u6309\u7167\u89c4\u5f8b\u53ef\u4ee5\u8003\u8651\u6bcf4\u4e2a\u6570\u4e3a\u4e00\u7ec4\u6dfb\u4e0a\u62ec\u53f7\uff0c\u6bcf\u7ec4\u6570\u7684\u8fd0\u7b97\u7ed3\u679c\u662f\u5426\u4e5f\u6709\u4e00\u5b9a\u7684\u89c4\u5f8b\uff1f\u53ef\u4ee5\u770b\u5230\u628a\u6bcf\u7ec4\u6570\u4e2d\u7b2c1\u4e2a\u6570\u51cf\u7b2c3\u4e2a\u6570\uff0c\u7b2c2\u4e2a\u6570\u51cf\u7b2c4\u4e2a\u6570\uff0c\u5404\u5f970.02\uff0c\u5408\u8d77\u6765\u662f0.04\uff0c\u90a3\u4e48\uff0c\u6bcf\u7ec4\u6570\uff08\u5373\u6bcf\u4e2a\u62ec\u53f7\uff09\u8fd0\u7b97\u7684\u7ed3\u679c\u90fd\u662f0.04\uff0c\u6574\u4e2a\u7b97\u5f0f100\u4e2a\u6570\u6b63\u597d\u5206\u621025\u7ec4\uff0c\u5b83\u7684\u7ed3\u679c\u5c31\u662f25\u4e2a0.04\u7684\u548c\u3002

\u3000\u30001\uff0b0.99\uff0d0.98\uff0d0.97\uff0b0.96\uff0b0.95\uff0d0.94\uff0d0.93\uff0b\u2026\uff0b0.04\uff0b0.03\uff0d0.02\uff0d0.01

\u3000\u3000=\uff081\uff0b0.99\uff0d0.98\uff0d0.97\uff09\uff0b\uff080.96\uff0b0.95\uff0d0.94\uff0d0.93\uff09\uff0b\u2026\uff0b\uff080.04\uff0b0.03\uff0d0.02\uff0d0.01\uff09

\u3000\u3000=0.04\u00d725

\u3000\u3000=1

\u3000\u3000\u5982\u679c\u80fd\u591f\u7075\u6d3b\u5730\u8fd0\u7528\u6570\u7684\u4ea4\u6362\u7684\u89c4\u5f8b\uff0c\u4e5f\u53ef\u4ee5\u6309\u4e0b\u9762\u7684\u65b9\u6cd5\u5206\u7ec4\u6dfb\u4e0a\u62ec\u53f7\u8ba1\u7b97\uff1a

\u3000\u30001\uff0b0.99\uff0d0.98\uff0d0.97\uff0b0.96\uff0b0.95\uff0d0.94\uff0d0.93\uff0b\u2026\uff0b0.04\uff0b0.03\uff0d0.02\uff0d0.01

\u3000\u3000=1\uff0b\uff080.99\uff0d0.98\uff0d0.97\uff0b0.96\uff09\uff0b\uff080.95\uff0d0.94\uff0d0.93\uff0b0.92\uff09\uff0b\u2026\uff0b\uff080.03\uff0d0.02\uff0d0.01\uff09

\u3000\u3000=1

\u4f8b3\uff1a\u8ba1\u7b97\uff1a0.1\uff0b0.2\uff0b0.3\uff0b\u2026\uff0b0.8\uff0b0.9\uff0b0.10\uff0b0.11\uff0b0.12\uff0b\u2026\uff0b0.19\uff0b0.20

\u3000\u3000\u89e3\uff1a\u8fd9\u4e2a\u7b97\u5f0f\u7684\u6570\u7684\u6392\u5217\u50cf\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\uff0c\u4f46\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u5b83\u5b9e\u9645\u4e0a\u7531\u4e24\u4e2a\u7b49\u5dee\u6570\u5217\u7ec4\u6210\uff0c0.1\uff0b0.2\uff0b0.3\uff0b\u2026\uff0b0.8\uff0b0.9\u662f\u7b2c\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\uff0c\u540e\u9762\u6bcf\u4e00\u4e2a\u6570\u90fd\u6bd4\u524d\u4e00\u4e2a\u6570\u591a0.1\uff0c\u800c0.10\uff0b0.11\uff0b0.12\uff0b\u2026\uff0b0.19\uff0b0.20\u662f\u7b2c\u4e8c\u4e2a\u7b49\u5dee\u6570\u5217\uff0c\u540e\u9762\u6bcf\u4e00\u4e2a\u6570\u90fd\u6bd4\u524d\u4e00\u4e2a\u6570\u591a0.01\uff0c\u6240\u4ee5\uff0c\u5e94\u5206\u4e3a\u4e24\u6bb5\u6309\u7b49\u5dee\u6570\u5217\u6c42\u548c\u7684\u65b9\u6cd5\u6765\u8ba1\u7b97\u3002

\u3000\u30000.1\uff0b0.2\uff0b0.3\uff0b\u2026\uff0b0.8\uff0b0.9\uff0b0.10\uff0b0.11\uff0b0.12\uff0b\u2026\uff0b0.19\uff0b0.20

\u3000\u3000=\uff080.1\uff0b0.9\uff09\u00d79\u00f72\uff0b\uff080.10\uff0b0.20\uff09\u00d711\u00f72

\u3000\u3000=4.5\uff0b1.65

\u3000\u3000=6.15

\u4f8b4\uff1a\u8ba1\u7b97\uff1a9.9\u00d79.9\uff0b1.99

\u3000\u3000\u89e3\uff1a\u7b97\u5f0f\u4e2d\u76849.9\u00d79.9\u4e24\u4e2a\u56e0\u6570\u4e2d\u4e00\u4e2a\u56e0\u6570\u6269\u592710\u500d\uff0c\u53e6\u4e00\u4e2a\u56e0\u6570\u7f29\u5c0f10\u500d\uff0c\u79ef\u4e0d\u53d8\uff0c\u5373\u8fd9\u4e2a\u4e58\u6cd5\u53ef\u53d8\u4e3a99\u00d70.99\uff1b1.99\u53ef\u4ee5\u5206\u62100.99\uff0b1\u7684\u548c\uff0c\u8fd9\u6837\u53d8\u5316\u4ee5\u540e\uff0c\u8ba1\u7b97\u6bd4\u8f83\u7b80\u4fbf\u3002

\u3000\u30009.9\u00d79.9\uff0b1.99

\u3000\u3000=99\u00d70.99\uff0b0.99\uff0b1

\u3000\u3000=\uff0899\uff0b1\uff09\u00d70.99\uff0b1

\u3000\u3000=100

\u4f8b5\uff1a\u8ba1\u7b97\uff1a2.437\u00d736.54\uff0b243.7\u00d70.6346

\u3000\u3000\u89e3\uff1a\u867d\u7136\u7b97\u5f0f\u4e2d\u7684\u4e24\u4e2a\u4e58\u6cd5\u8ba1\u7b97\u6ca1\u6709\u76f8\u540c\u7684\u56e0\u6570\uff0c\u4f46\u524d\u4e00\u4e2a\u4e58\u6cd5\u76842.437\u548c\u540e\u4e00\u4e2a\u4e58\u6cd5\u7684243.7\u4e24\u4e2a\u6570\u7684\u6570\u5b57\u76f8\u540c\uff0c\u53ea\u662f\u5c0f\u6570\u70b9\u7684\u4f4d\u7f6e\u4e0d\u540c\uff0c\u5982\u679c\u628a\u5176\u4e2d\u4e00\u4e2a\u4e58\u6cd5\u7684\u4e24\u4e2a\u56e0\u6570\u7684\u5c0f\u6570\u70b9\u6309\u76f8\u53cd\u65b9\u5411\u79fb\u52a8\u540c\u6837\u591a\u4f4d\uff0c\u4f7f\u8fd9\u4e24\u4e2a\u6570\u53d8\u6210\u76f8\u540c\u7684\uff0c\u5c31\u53ef\u4ee5\u8fd0\u7528\u4e58\u6cd5\u5206\u914d\u5f8b\u8fdb\u884c\u7b80\u7b97\u4e86\u3002

\u3000\u30002.437\u00d736.54\uff0b243.7\u00d70.6346

\u3000\u3000=2.437\u00d736.54\uff0b2.437\u00d763.46

\u3000\u3000=2.437\u00d7\uff0836.54\uff0b63.46\uff09

\u3000\u3000=243.7

*\u4f8b6\uff1a\u8ba1\u7b97\uff1a1.1\u00d71.2\u00d71.3\u00d71.4\u00d71.5

\u3000\u3000\u89e3\uff1a\u7b97\u5f0f\u4e2d\u7684\u51e0\u4e2a\u6570\u867d\u7136\u662f\u4e00\u4e2a\u7b49\u5dee\u6570\u5217\uff0c\u4f46\u7b97\u5f0f\u4e0d\u662f\u6c42\u548c\uff0c\u4e0d\u80fd\u7528\u7b49\u5dee\u6570\u5217\u6c42\u548c\u7684\u65b9\u6cd5\u6765\u8ba1\u7b97\u8fd9\u4e2a\u7b97\u5f0f\u7684\u7ed3\u679c\u3002

\u3000\u3000\u5e73\u65f6\u6ce8\u610f\u79ef\u7d2f\u8ba1\u7b97\u7ecf\u9a8c\u7684\u540c\u5b66\u4e5f\u8bb8\u4f1a\u6ce8\u610f\u52307\u300111\u548c13\u8fd9\u4e09\u4e2a\u6570\u8fde\u4e58\u7684\u79ef\u662f1001\uff0c\u800c\u4e00\u4e2a\u4e09\u4f4d\u6570\u4e581001\uff0c\u53ea\u8981\u628a\u8fd9\u4e2a\u4e09\u4f4d\u6570\u8fde\u7eed\u5199\u4e24\u904d\u5c31\u662f\u5b83\u4eec\u7684\u79ef\uff0c\u4f8b\u5982578\u00d71001=578578\uff0c\u8fd9\u4e00\u9898\u53c2\u7167\u8fd9\u4e2a\u65b9\u6cd5\u8ba1\u7b97\uff0c\u80fd\u5de7\u5999\u5730\u7b97\u51fa\u6b63\u786e\u7684\u5f97\u6570\u3002

\u3000\u30001.1\u00d71.2\u00d71.3\u00d71.4\u00d71.5

\u3000\u3000=1.1\u00d71.3\u00d70.7\u00d72\u00d71.2\u00d71.5

\u3000\u3000=1.001\u00d73.6

\u3000\u3000=3.6036

\u8ba1\u7b97\u4e0b\u5217\u5404\u9898\u5e76\u5199\u51fa\u7b80\u7b97\u8fc7\u7a0b\uff1a

\u3000\u30001\uff0e5.467\uff0b3.814\uff0b7.533\uff0b4.186

\u3000\u30002\uff0e6.25\u00d71.25\u00d76.4

\u3000\u30003\uff0e3.997\uff0b19.96\uff0b1.9998\uff0b199.7

\u3000\u30004\uff0e0.1\uff0b0.3\uff0b\u2026\uff0b0.9\uff0b0.11\uff0b0.13\uff0b0.15\uff0b\u2026\uff0b0.97\uff0b0.99

\u3000\u30005\uff0e199.9\u00d719.98\uff0d199.8\u00d719.97

\u3000\u30006\uff0e23.75\u00d73.987\uff0b6.013\u00d792.07\uff0b6.832\u00d739.87

\u3000\u3000*7\uff0e20042005\u00d720052004\uff0d20042004\u00d720052005

\u3000\u3000*8\uff0e\uff081\uff0b0.12\uff0b0.23\uff09\u00d7\uff080.12\uff0b0.23\uff0b0.34\uff09\uff0d\uff081\uff0b0.12\uff0b0.23\uff0b0.34\uff09\u00d7\uff080.12\uff0b0.23\uff09

\u8ba1\u7b97\u4e0b\u5217\u5404\u9898\u5e76\u5199\u51fa\u7b80\u7b97\u8fc7\u7a0b\uff1a

\u3000\u30001\uff0e6.734\uff0d1.536\uff0b3.266\uff0d4.464

\u3000\u30002\uff0e0.8\u00f70.125

\u3000\u30003\uff0e89.1\uff0b90.3\uff0b88.6\uff0b92.1\uff0b88.9\uff0b90.8

\u3000\u30004\uff0e4.83\u00d70.59\uff0b0.41\u00d71.59\uff0d0.324\u00d75.9

\u3000\u30005\uff0e37.5\u00d721.5\u00d70.112\uff0b35.5\u00d712.5\u00d70.112

\u4e94\u5e74\u7ea7\u4e0b\u518c\u6570\u5965\u8bd5\u9898

\u59d3\u540d \u73ed\u7ea7 \u5f97\u5206
\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\u4e0b\u9762\u5404\u9898\u3002
20.36\uff0d7.98\uff0d5.02\uff0d4.36 117.8\u00f72.3\uff0d4.88\u00f7023



9.56\u00d74.18\uff0d7.34\u00d74.18\uff0d0.26\u00d74.18




1\u3001\u6709123\u540d\u5c0f\u670b\u53cb\uff0c\u628a\u4ed6\u4eec\u5206\u621012\u4eba\u4e00\u7ec4\u62167\u4eba\u4e00\u7ec4\uff0c\u6070\u597d\u5206\u5b8c\uff0c\u800c\u65e0\u5269\u4f59\u3002\u53c8\u77e5\u603b\u7684\u7ec4\u6570\u572815\u7ec4\u5de6\u53f3\u3002\u90a3\u4e48\uff0c12\u4eba\u7684\u591a\u5c11\u7ec4\uff1f7\u4eba\u7684\u6709\u591a\u5c11\u7ec4\uff1f



2\u3001\u5f20\u59ae5\u6b21\u8003\u8bd5\u7684\u5e73\u5747\u6210\u7ee9\u662f88.5\u5206\uff0c\u6bcf\u6b21\u8003\u8bd5\u7684\u6ee1\u5206\u662f100\u5206\uff0c\u4e3a\u4e86\u4f7f\u5e73\u5747\u6210\u7ee9\u5c3d\u5feb\u8fbe\u523092\u5206\u4ee5\u4e0a\uff0c\u90a3\u4e48\u5f20\u59ae\u8981\u518d\u8003\u591a\u5c11\u6b21\u6ee1\u5206\uff1f


3\u3001\u7236\u4eb2\u4e0e\u4e09\u4e2a\u513f\u5b50\u5e74\u9f84\u548c\u662f108\u5c81\uff0c\u82e5\u518d\u8fc76\u5e74\uff0c\u7236\u4eb2\u7684\u5e74\u9f84\u6b63\u597d\u7b49\u4e8e\u4e09\u4e2a\u513f\u5b50\u5e74\u9f84\u7684\u548c\u3002\u95ee\u7236\u4eb2\u73b0\u5e74\u591a\u5c11\u5c81\uff1f


4\u3001\u52a0\u5de5\u4e00\u6279\u96f6\u4ef6\uff0c\u539f\u8ba1\u5212\u6bcf\u5929\u52a0\u5de580\u4e2a\uff0c\u6b63\u597d\u6309\u671f\u5b8c\u6210\u4efb\u52a1\u3002\u7531\u4e8e\u6539\u8fdb\u4e86\u751f\u4ea7\u6280\u672f\uff0c\u5b9e\u9645\u6bcf\u5929\u52a0\u5de5\u4e86100\u4e2a\uff0c\u8fd9\u6837\uff0c\u4e0d\u4ec5\u63d0\u524d4\u5929\u5b8c\u6210\u52a0\u5de5\u4efb\u52a1\uff0c\u800c\u4e14\u8fd8\u591a\u52a0\u5de5\u4e86100\u4e2a\u3002\u4ed6\u4eec\u5b9e\u9645\u52a0\u5de5\u96f6\u4ef6\u591a\u5c11\u4e2a\uff1f



5\u3001\u4e00\u4e2a\u6c34\u6c60\u80fd\u88c58\u5428\u6c34\uff0c\u6c34\u6c60\u91cc\u88c5\u6709\u4e00\u4e2a\u8fdb\u6c34\u7ba1\u548c\u4e00\u4e2a\u51fa\u6c34\u7ba1\uff0c\u4e24\u7ba1\u9f50\u5f00\uff0c20\u5206\u949f\u80fd\u628a\u4e00\u6c60\u6c34\u653e\u5b8c\u3002\u5df2\u77e5\u8fdb\u6c34\u7ba1\u6bcf\u5206\u949f\u5f80\u6c60\u91cc\u8fdb\u6c340.8\u5428\uff0c\u6c42\u51fa\u6c34\u7ba1\u6bcf\u5206\u949f\u653e\u6c34\u591a\u5c11\u5428\uff1f



6\u3001\u5c06\u4e00\u6839\u7535\u7ebf\u622a\u621015\u6bb5\u3002\u4e00\u90e8\u5206\u6bcf\u6bb5\u957f8\u7c73\uff0c\u53e6\u4e00\u90e8\u5206\u6bcf\u6bb5\u957f5\u7c73\u3002\u957f8\u7c73\u7684\u603b\u957f\u5ea6\u6bd4\u957f5\u7c73\u7684\u603b\u957f\u5ea6\u591a3\u7c73\u3002\u8fd9\u6839\u94c1\u4e1d\u5168\u957f\u591a\u5c11\u7c73\uff1f



7\u3001\u628a\u4e00\u6761\u5927\u9c7c\u5206\u6210\u9c7c\u5934\u3001\u9c7c\u8eab\u3001\u9c7c\u5c3e\u4e09\u90e8\u5206\uff0c\u9c7c\u5c3e\u91cd4\u5343\u514b\uff0c\u9c7c\u5934\u7684\u91cd\u91cf\u7b49\u4e8e\u9c7c\u5c3e\u7684\u91cd\u91cf\u52a0\u9c7c\u8eab\u4e00\u534a\u7684\u91cd\u91cf\uff0c\u800c\u9c7c\u8eab\u7684\u91cd\u91cf\u7b49\u4e8e\u9c7c\u5934\u7684\u91cd\u91cf\u52a0\u4e0a\u9c7c\u5c3e\u7684\u91cd\u91cf\u3002\u8fd9\u6761\u5927\u9c7c\u91cd\u591a\u5c11\u5343\u514b\uff1f



8\u3001\u4f53\u80b2\u5ba4\u4e70\u56de5\u4e2a\u8db3\u7403\u548c4\u4e2a\u7bee\u7403\u9700\u8981\u4ed8287\u5143\uff0c\u4e702\u4e2a\u8db3\u7403\u548c3\u4e2a\u7bee\u7403\u9700\u8981\u4ed8154\u5143\u3002\u90a3\u4e48\u4e70\u4e00\u4e2a\u8db3\u7403\u3001\u4e00\u4e2a\u7bee\u7403\u5404\u4ed8\u591a\u5c11\u5143\uff1f

9\u3001\u67095\u5143\u7684\u548c10\u5143\u7684\u4eba\u6c11\u5e01\u517114\u5f20\uff0c\u5171100\u5143\u3002\u95ee5\u5143\u5e01\u548c10\u5143\u5e01\u5404\u591a\u5c11\u5f20\uff1f



10\u3001\u67d0\u4eba\u4eceA\u6751\u7ffb\u8fc7\u5c71\u9876\u5230B\u6751\uff0c\u5171\u884c30.5\u5343\u7c73\uff0c\u7528\u4e867\u5c0f\u65f6\uff0c\u4ed6\u4e0a\u5c71\u6bcf\u5c0f\u65f6\u884c4\u5343\u7c73\uff0c\u4e0b\u5c71\u6bcf\u5c0f\u65f6\u884c5\u5343\u7c73\u3002\u5982\u679c\u4e0a\u4e0b\u5c71\u901f\u5ea6\u4e0d\u53d8\uff0c\u4eceB\u6751\u6cbf\u539f\u8def\u8fd4\u56deA\u6751\uff0c\u8981\u7528\u591a\u5c11\u65f6\u95f4\uff1f





11\u3001\u7532\u3001\u4e59\u4e24\u4eba\u540c\u65f6\u4eceA\u3001B\u4e24\u5730\u76f8\u5411\u800c\u884c\uff0c\u7532\u9a91\u8f66\u6bcf\u5c0f\u65f6\u884c16\u5343\u7c73\uff0c\u4e59\u9a91\u6469\u6258\u8f66\u6bcf\u5c0f\u65f6\u884c65\u5343\u7c73\u3002\u7532\u79bb\u51fa\u53d1\u70b962.4\u5343\u7c73\u5904\u4e0e\u4e59\u76f8\u9047\u3002AB\u4e24\u5730\u76f8\u8ddd\u591a\u5c11\u5343\u7c73\uff1f



12\u3001\u4e4c\u9f9f\u4e0e\u5154\u5b50\u8d5b\u8dd1\uff0c\u5154\u5b50\u6bcf\u5206\u949f\u8dd135\u5343\u7c73\uff0c\u4e4c\u9f9f\u6bcf\u5206\u949f\u722c10\u7c73\uff0c\u9014\u4e2d\u5154\u5b50\u7761\u4e86\u4e00\u89c9\uff0c\u9192\u6765\u65f6\u53d1\u73b0\u4e4c\u9f9f\u5df2\u7ecf\u5728\u81ea\u5df1\u524d50\u7c73\u3002\u95ee\u5154\u5b50\u8fd8\u9700\u8981\u591a\u5c11\u957f\u65f6\u95f4\u624d\u80fd\u8ffd\u4e0a\u4e4c\u9f9f\uff1f




13\u3001\u5728\u4e00\u4e2a600\u7c73\u957f\u7684\u73af\u5f62\u8dd1\u9053\u4e0a\uff0c\u5144\u59b9\u4e24\u4eba\u540c\u65f6\u5728\u540c\u4e00\u8d77\u70b9\u90fd\u6309\u987a\u65f6\u9488\u65b9\u5411\u8dd1\u6b65\uff0c\u6bcf\u969412\u5206\u949f\u76f8\u9047\u4e00\u6b21\u3002\u82e5\u4e24\u4eba\u901f\u5ea6\u4e0d\u53d8\uff0c\u8fd8\u662f\u5728\u539f\u51fa\u53d1\u70b9\u540c\u65f6\u51fa\u53d1\uff0c\u54e5\u54e5\u6539\u4e3a\u6309\u9006\u65f6\u9488\u65b9\u5411\u8dd1\uff0c\u5219\u6bcf\u96944\u5206\u949f\u76f8\u9047\u4e00\u6b21\u3002\u4e24\u4eba\u8dd1\u4e00\u5708\u5404\u8981\u51e0\u5206\u949f\uff1f



14\u3001\u9759\u6c34\u4e2d\uff0c\u7532\u4e59\u4e24\u8239\u7684\u901f\u5ea6\u5206\u522b\u662f\u6bcf\u5c0f\u65f620\u5343\u7c73\u548c16\u5343\u7c73\uff0c\u4e24\u8239\u5148\u540e\u81ea\u67d0\u6e2f\u987a\u6c34\u5f00\u51fa\uff0c\u4e59\u6bd4\u7532\u65e9\u51fa\u53d12\u5c0f\u65f6\uff0c\u82e5\u6c34\u901f\u662f\u6bcf\u5c0f\u65f6\u884c4\u5343\u7c73\uff0c\u7532\u5f00\u51fa\u540e\u51e0\u5c0f\u65f6\u8ffd\u4e0a\u4e59\uff1f



15\u3001\u4e00\u5217\u706b\u8f66\u901a\u8fc7440\u7c73\u7684\u6865\u9700\u898140\u79d2\uff0c\u4ee5\u540c\u6837\u7684\u901f\u5ea6\u7a7f\u8fc7310\u7c73\u7684\u9042\u9053\u9700\u898130\u79d2\uff0c\u8fd9\u5217\u706b\u8f66\u7684\u901f\u5ea6\u548c\u672c\u8eab\u957f\u5404\u662f\u591a\u5c11\uff1f


16\u3001\u4e00\u4e2a\u4e66\u67b6\u5206\u4e0a\u3001\u4e0b\u4e24\u5c42\uff0c\u4e0a\u5c42\u7684\u4e66\u7684\u672c\u6570\u662f\u4e0b\u5c42\u76844\u500d\u3002\u4ece\u4e0b\u5c42\u62ff5\u672c\u653e\u5165\u4e0a\u5c42\u540e\uff0c\u4e0a\u5c42\u7684\u672c\u6570\u6b63\u597d\u662f\u4e0b\u5c42\u76845\u500d\u3002\u539f\u6765\u4e0b\u5c42\u6709\u51e0\u672c\u4e66\uff1f



17\u3001\u67091800\u5343\u514b\u7684\u8d27\u7269\uff0c\u5206\u88c5\u5728\u7532\u3001\u4e59\u3001\u4e19\u4e09\u8f86\u8f66\u4e0a\u3002\u5df2\u77e5\u7532\u8f66\u88c5\u7684\u5343\u514b\u6570\u6b63\u597d\u662f\u4e59\u8f66\u76842\u500d\uff0c\u4e59\u8f66\u6bd4\u4e19\u8f66\u591a\u88c5200\u5343\u514b\u3002\u7532\u3001\u4e59\u3001\u4e19\u4e09\u8f86\u8f66\u5404
\u5305\u542b\u4e0e\u6392\u9664
1\u3001\u67d0\u73ed\u670940\u540d\u5b66\u751f\uff0c\u5176\u4e2d\u670915\u4eba\u53c2\u52a0\u6570\u5b66\u5c0f\u7ec4\uff0c18\u4eba\u53c2\u52a0\u822a\u6a21\u5c0f\u7ec4\uff0c\u670910\u4eba\u4e24\u4e2a\u5c0f\u7ec4\u90fd\u53c2\u52a0\u3002\u90a3\u4e48\u6709\u591a\u5c11\u4eba\u4e24\u4e2a\u5c0f\u7ec4\u90fd\u4e0d\u53c2\u52a0\uff1f

\u89e3\uff1a\u4e24\u4e2a\u5c0f\u7ec4\u5171\u6709\uff0815+18\uff09-10=23\uff08\u4eba\uff09\uff0c

\u90fd\u4e0d\u53c2\u52a0\u7684\u670940-23=17\uff08\u4eba\uff09

\u7b54\uff1a\u670917\u4eba\u4e24\u4e2a\u5c0f\u7ec4\u90fd\u4e0d\u53c2\u52a0\u3002

--
2\u3001\u67d0\u73ed45\u4e2a\u5b66\u751f\u53c2\u52a0\u671f\u672b\u8003\u8bd5\uff0c\u6210\u7ee9\u516c\u5e03\u540e\uff0c\u6570\u5b66\u5f97\u6ee1\u5206\u7684\u670910\u4eba\uff0c\u6570\u5b66\u53ca\u8bed\u6587\u6210\u7ee9\u5747\u5f97\u6ee1\u5206\u7684\u67093\u4eba\uff0c\u8fd9\u4e24\u79d1\u90fd\u6ca1\u6709\u5f97\u6ee1\u5206\u7684\u670929\u4eba\u3002\u90a3\u4e48\u8bed\u6587\u6210\u7ee9\u5f97\u6ee1\u5206\u7684\u6709\u591a\u5c11\u4eba\uff1f
\u89e3\uff1a45-29-10+3=9\uff08\u4eba\uff09
\u7b54\uff1a\u8bed\u6587\u6210\u7ee9\u5f97\u6ee1\u5206\u7684\u67099\u4eba\u3002

3\u300150\u540d\u540c\u5b66\u9762\u5411\u8001\u5e08\u7ad9\u6210\u4e00\u884c\u3002\u8001\u5e08\u5148\u8ba9\u5927\u5bb6\u4ece\u5de6\u81f3\u53f3\u63091\uff0c2\uff0c3\uff0c\u2026\u2026\uff0c49\uff0c50\u4f9d\u6b21\u62a5\u6570\uff1b\u518d\u8ba9\u62a5\u6570\u662f4\u7684\u500d\u6570\u7684\u540c\u5b66\u5411\u540e\u8f6c\uff0c\u63a5\u7740\u53c8\u8ba9\u62a5\u6570\u662f6\u7684\u500d\u6570\u7684\u540c\u5b66\u5411\u540e\u8f6c\u3002\u95ee\uff1a\u73b0\u5728\u9762\u5411\u8001\u5e08\u7684\u540c\u5b66\u8fd8\u6709\u591a\u5c11\u540d\uff1f
\u89e3\uff1a4\u7684\u500d\u6570\u670950/4\u554612\u4e2a\uff0c6\u7684\u500d\u6570\u670950/6\u55468\u4e2a\uff0c\u65e2\u662f4\u53c8\u662f6\u7684\u500d\u6570\u670950/12\u55464\u4e2a\u3002
4\u7684\u500d\u6570\u5411\u540e\u8f6c\u4eba\u6570=12\uff0c6\u7684\u500d\u6570\u5411\u540e\u8f6c\u51718\u4eba\uff0c\u5176\u4e2d4\u4eba\u5411\u540e\uff0c4\u4eba\u4ece\u540e\u8f6c\u56de\u3002
\u9762\u5411\u8001\u5e08\u7684\u4eba\u6570=50-12=38\uff08\u4eba\uff09
\u7b54\uff1a\u73b0\u5728\u9762\u5411\u8001\u5e08\u7684\u540c\u5b66\u8fd8\u670938\u540d\u3002

4\u3001\u5728\u6e38\u827a\u4f1a\u4e0a\uff0c\u6709100\u540d\u540c\u5b66\u62bd\u5230\u4e86\u6807\u7b7e\u5206\u522b\u4e3a1\u81f3100\u7684\u5956\u5238\u3002\u6309\u5956\u5238\u6807\u7b7e\u53f7\u53d1\u653e\u5956\u54c1\u7684\u89c4\u5219\u5982\u4e0b\uff1a\uff081\uff09\u6807\u7b7e\u53f7\u4e3a2\u7684\u500d\u6570\uff0c\u59562\u652f\u94c5\u7b14\uff1b\uff082\uff09\u6807\u7b7e\u53f7\u4e3a3\u7684\u500d\u6570\uff0c\u59563\u652f\u94c5\u7b14\uff1b\uff083\uff09\u6807\u7b7e\u53f7\u65e2\u662f2\u7684\u500d\u6570\uff0c\u53c8\u662f3\u7684\u500d\u6570\u53ef\u91cd\u590d\u9886\u5956\uff1b\uff084\uff09\u5176\u4ed6\u6807\u7b7e\u53f7\u5747\u59561\u652f\u94c5\u7b14\u3002\u90a3\u4e48\u6e38\u827a\u4f1a\u4e3a\u8be5\u9879\u6d3b\u52a8\u51c6\u5907\u7684\u5956\u54c1\u94c5\u7b14\u5171\u6709\u591a\u5c11\u652f\uff1f
\u89e3\uff1a2\u7684\u500d\u6570\u6709100/2\u554650\u4e2a\uff0c3\u7684\u500d\u6570\u6709100/3\u554633\u4e2a\uff0c2\u548c3\u4eba\u500d\u6570\u6709100/6\u554616\u4e2a\u3002
\u98862\u652f\u7684\u5171\u51c6\u5907\uff0850\u201416\uff09*2=68\uff0c\u98863\u652f\u7684\u5171\u51c6\u5907\uff0833\u201416\uff09*3=51\uff0c\u91cd\u590d\u9886\u7684\u5171\u51c6\u590716*\uff082+3\uff09=80\uff0c\u5176\u4f59\u51c6\u5907100-\uff0850+33-16\uff09*1=33
\u5171\u9700\u898168+51+80+33=232\uff08\u652f\uff09
\u7b54\uff1a\u6e38\u827a\u4f1a\u4e3a\u8be5\u9879\u6d3b\u52a8\u51c6\u5907\u7684\u5956\u54c1\u94c5\u7b14\u5171\u6709232\u652f\u3002

5\u3001\u6709\u4e00\u6839\u957f\u4e3a180\u5398\u7c73\u7684\u7ef3\u5b50\uff0c\u4ece\u4e00\u7aef\u5f00\u59cb\u6bcf\u96943\u5398\u7c73\u4f5c\u4e00\u8bb0\u53f7\uff0c\u6bcf\u96944\u5398\u7c73\u4e5f\u4f5c\u4e00\u8bb0\u53f7\uff0c\u7136\u540e\u5c06\u6807\u6709\u8bb0\u53f7\u7684\u5730\u65b9\u526a\u65ad\u3002\u95ee\u7ef3\u5b50\u5171\u88ab\u526a\u6210\u4e86\u591a\u5c11\u6bb5\uff1f
\u89e3\uff1a3\u5398\u7c73\u7684\u8bb0\u53f7\uff1a180/3=60\uff0c\u6700\u540e\u5230\u5934\u4e86\u4e0d\u5212\uff0c60-1=59\u4e2a
4\u5398\u7c73\u8bb0\u53f7\uff1a180/4=45\uff0c45-1=44\u4e2a\uff0c\u91cd\u590d\u7684\u8bb0\u53f7\uff1a180/12=15\uff0c15-1=14\u4e2a\uff0c\u6240\u4ee5\u7ef3\u5b50\u4e2d\u95f4\u5b9e\u9645\u6709\u8bb0\u53f759+44-14=89\u4e2a\u3002
\u526a89\u6b21\uff0c\u53d8\u621089+1=90\u6bb5
\u7b54\uff1a\u7ef3\u5b50\u5171\u88ab\u526a\u6210\u4e8690\u6bb5\u3002


6\u3001\u4e1c\u6cb3\u5c0f\u5b66\u753b\u5c55\u4e0a\u5c55\u51fa\u4e86\u8bb8\u591a\u5e45\u753b\uff0c\u5176\u4e2d\u670916\u5e45\u753b\u4e0d\u662f\u516d\u5e74\u7ea7\u7684\uff0c\u670915\u5e45\u753b\u4e0d\u662f\u4e94\u5e74\u7ea7\u7684\u3002\u73b0\u77e5\u9053\u4e94\u3001\u516d\u5e74\u7ea7\u5171\u670925\u5e45\u753b\uff0c\u90a3\u4e48\u5176\u4ed6\u5e74\u7ea7\u7684\u753b\u5171\u6709\u591a\u5c11\u5e45\uff1f
\u89e3\uff1a1\uff0c2\uff0c3\uff0c4\uff0c5\u5e74\u7ea7\u5171\u670916\uff0c1\uff0c2\uff0c3\uff0c4\uff0c6\u5e74\u7ea7\u5171\u670915\uff0c5\uff0c6\u5e74\u7ea7\u5171\u670925
\u6240\u4ee5\u603b\u5171\u6709\uff0816+15+25\uff09/2=28\uff08\u5e45\uff09\uff0c1\uff0c2\uff0c3\uff0c4\u5e74\u7ea7\u5171\u670928-25=3\uff08\u5e45\uff09
\u7b54\uff1a\u5176\u4ed6\u5e74\u7ea7\u7684\u753b\u5171\u67093\u5e45\u3002

---
7\u3001\u6709\u82e5\u5e72\u5361\u7247\uff0c\u6bcf\u5f20\u5361\u7247\u4e0a\u5199\u7740\u4e00\u4e2a\u6570\uff0c\u5b83\u662f3\u7684\u500d\u6570\u62164\u7684\u500d\u6570\uff0c\u5176\u4e2d\u6807\u67093\u7684\u500d\u6570\u7684\u5361\u7247\u53602/3\uff0c\u6807\u67094\u7684\u500d\u6570\u7684\u5361\u7247\u53603/4\uff0c\u6807\u670912\u7684\u500d\u6570\u7684\u5361\u7247\u670915\u5f20\u3002\u90a3\u4e48\uff0c\u8fd9\u4e9b\u5361\u7247\u4e00\u5171\u6709\u591a\u5c11\u5f20\uff1f
\u89e3\uff1a12\u7684\u500d\u6570\u67092/3+3/4-1=5/12\uff0c15/\uff085/12\uff09=36\uff08\u5f20\uff09
\u7b54\uff1a\u8fd9\u4e9b\u5361\u7247\u4e00\u5171\u670936\u5f20\u3002
--
--
8\u3001\u5728\u4ece1\u81f31000\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u65e2\u4e0d\u80fd\u88ab5\u9664\u5c3d\uff0c\u53c8\u4e0d\u80fd\u88ab7\u9664\u5c3d\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
\u89e3\uff1a5\u7684\u500d\u6570\u67091000/5\u5546200\u4e2a\uff0c7\u7684\u500d\u6570\u67091000/7\u5546142\u4e2a\uff0c\u65e2\u662f5\u53c8\u662f7\u7684\u500d\u6570\u67091000/35\u554628\u4e2a\u30025\u548c7\u7684\u500d\u6570\u5171\u6709200+142-28=314\u4e2a\u3002
1000-314=686
\u7b54\uff1a\u65e2\u4e0d\u80fd\u88ab5\u9664\u5c3d\uff0c\u53c8\u4e0d\u80fd\u88ab7\u9664\u5c3d\u7684\u6570\u6709686\u4e2a\u3002

---
9\u3001\u4e94\u5e74\u7ea7\u4e09\u73ed\u5b66\u751f\u53c2\u52a0\u8bfe\u5916\u5174\u8da3\u5c0f\u7ec4\uff0c\u6bcf\u4eba\u81f3\u5c11\u53c2\u52a0\u4e00\u9879\u3002\u5176\u4e2d\u670925\u4eba\u53c2\u52a0\u81ea\u7136\u5174\u8da3\u5c0f\u7ec4\uff0c35\u4eba\u53c2\u52a0\u7f8e\u672f\u5174\u8da3\u5c0f\u7ec4\uff0c27\u4eba\u53c2\u52a0\u8bed\u6587\u5174\u8da3\u5c0f\u7ec4\uff0c\u53c2\u52a0\u8bed\u6587\u540c\u65f6\u53c8\u53c2\u52a0\u7f8e\u672f\u5174\u8da3\u5c0f\u7ec4\u7684\u670912\u4eba\uff0c\u53c2\u52a0\u81ea\u7136\u540c\u65f6\u53c8\u53c2\u52a0\u7f8e\u672f\u5174\u8da3\u5c0f\u7ec4\u7684\u67098\u4eba\uff0c\u53c2\u52a0\u81ea\u7136\u540c\u65f6\u53c8\u53c2\u52a0\u8bed\u6587\u5174\u8da3\u5c0f\u7ec4\u7684\u67099\u4eba\uff0c\u8bed\u6587\u3001\u7f8e\u672f\u3001\u81ea\u71363\u79d1\u5174\u8da3\u5c0f\u7ec4\u90fd\u53c2\u52a0\u7684\u67094\u4eba\u3002\u6c42\u8fd9\u4e2a\u73ed\u7684\u5b66\u751f\u4eba\u6570\u3002
\u89e3\uff1a25+35+27-\uff088+12+9\uff09+4=62\uff08\u4eba\uff09
\u7b54\uff1a\u8fd9\u4e2a\u73ed\u7684\u5b66\u751f\u4eba\u6570\u662f62\u4eba\u3002

-- --
10\u3001\u5982\u56fe8-1\uff0c\u5df2\u77e5\u7532\u3001\u4e59\u3001\u4e193\u4e2a\u5706\u7684\u9762\u79ef\u5747\u4e3a30\uff0c\u7532\u4e0e\u4e59\u3001\u4e59\u4e0e\u4e19\u3001\u7532\u4e0e\u4e19\u91cd\u5408\u90e8\u5206\u7684\u9762\u79ef\u5206\u522b\u4e3a6\uff0c8\uff0c5\uff0c\u800c3\u4e2a\u5706\u8986\u76d6\u7684\u603b\u9762\u79ef\u4e3a73\u3002\u6c42\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u3002
\u89e3\uff1a\u7532\u3001\u4e59\u3001\u4e19\u4e09\u8005\u91cd\u5408\u90e8\u5206\u9762\u79ef=73+\uff086+8+5\uff09-3*30=2
\u9634\u5f71\u90e8\u5206\u9762\u79ef=73-\uff086+8+5\uff09+2*2=58
\u7b54\uff1a\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u662f58\u3002

________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:45:02

--
11\u3001\u56db\u5e74\u7ea7\u4e00\u73ed\u670946\u540d\u5b66\u751f\u53c2\u52a03\u9879\u8bfe\u5916\u6d3b\u52a8\u3002\u5176\u4e2d\u670924\u4eba\u53c2\u52a0\u4e86\u6570\u5b66\u5c0f\u7ec4\uff0c20\u4eba\u53c2\u52a0\u4e86\u8bed\u6587\u5c0f\u7ec4\uff0c\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662f\u65e2\u53c2\u52a0\u6570\u5b66\u5c0f\u7ec4\u53c8\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u4eba\u6570\u76843.5\u500d\uff0c\u53c8\u662f3\u9879\u6d3b\u52a8\u90fd\u53c2\u52a0\u4eba\u6570\u76847\u500d\uff0c\u65e2\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u4e5f\u53c2\u52a0\u8bed\u6587\u5c0f\u7ec4\u7684\u4eba\u6570\u76f8\u5f53\u4e8e3\u9879\u90fd\u53c2\u52a0\u7684\u4eba\u6570\u76842\u500d\uff0c\u65e2\u53c2\u52a0\u6570\u5b66\u5c0f\u7ec4\u53c8\u53c2\u52a0\u8bed\u6587\u5c0f\u7ec4\u7684\u670910\u4eba\u3002\u6c42\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u3002
\u89e3\uff1a\u8bbe\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662fX\uff0c24+20+X-\uff08X/305+2/7*X+10\uff09+X/7=46\uff0c\u89e3\u5f97X=21
\u7b54\uff1a\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662f21\u4eba\u3002
________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:45:43

--
12\u3001\u56fe\u4e66\u5ba4\u6709100\u672c\u4e66\uff0c\u501f\u9605\u56fe\u4e66\u8005\u9700\u8981\u5728\u56fe\u4e66\u4e0a\u7b7e\u540d\u3002\u5df2\u77e5\u5728100\u672c\u4e66\u4e2d\u6709\u7532\u3001\u4e59\u3001\u4e19\u7b7e\u540d\u7684\u5206\u522b\u670933\uff0c44\u548c55\u672c\uff0c\u5176\u4e2d\u540c\u65f6\u6709\u7532\u3001\u4e59\u7b7e\u540d\u7684\u56fe\u4e66\u4e3a29\u672c\uff0c\u540c\u65f6\u6709\u7532\u3001\u4e19\u7b7e\u540d\u7684\u56fe\u4e66\u670925\u672c\uff0c\u540c\u65f6\u6709\u4e59\u3001\u4e19\u7b7e\u540d\u7684\u56fe\u4e66\u670936\u672c\u3002\u95ee\u8fd9\u6279\u56fe\u4e66\u4e2d\u6700\u5c11\u6709\u591a\u5c11\u672c\u6ca1\u6709\u88ab\u7532\u3001\u4e59\u3001\u4e19\u4e2d\u7684\u4efb\u4f55\u4e00\u4eba\u501f\u9605\u8fc7\uff1f
\u89e3\uff1a\u4e09\u4e2a\u4eba\u4e00\u5171\u770b\u8fc7\u7684\u4e66\u7684\u672c\u6570\u662f\uff1a\u7532+\u4e59+\u4e19-\uff08\u7532\u4e59+\u7532\u4e19+\u4e59\u4e19\uff09+\u7532\u4e59\u4e19=33+44+55-\uff0829+25+36\uff09+\u7532\u4e59\u4e19=42+\u7532\u4e59\u4e19\uff0c\u5f53\u7532\u4e59\u4e19\u6700\u5927\u65f6\uff0c\u4e09\u4eba\u770b\u8fc7\u7684\u4e66\u6700\u591a\uff0c\u56e0\u4e3a\u7532\u3001\u4e19\u5171\u540c\u770b\u8fc7\u7684\u4e66\u53ea\u670925\u672c\uff0c\u6bd4\u7532\u4e59\u548c\u4e59\u4e19\u5171\u540c\u770b\u5230\u7684\u90fd\u5c11\uff0c\u6240\u4ee5\u7532\u4e59\u4e19\u6700\u591a\u5171\u540c\u770b\u8fc725\u672c\u3002
\u4e09\u4eba\u603b\u5171\u770b\u8fc7\u6700\u591a\u670942+25=67\uff08\u672c\uff09\uff0c\u90fd\u6ca1\u770b\u8fc7\u7684\u4e66\u6700\u5c11\u6709100-67=33\uff08\u672c\uff09
\u7b54\uff1a\u8fd9\u6279\u56fe\u4e66\u4e2d\u6700\u5c11\u670933\u672c\u6ca1\u6709\u88ab\u7532\u3001\u4e59\u3001\u4e19\u4e2d\u7684\u4efb\u4f55\u4e00\u4eba\u501f\u9605\u8fc7\u3002
________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:46:53

--
13\u3001\u5982\u56fe8-2\uff0c5\u6761\u540c\u6837\u957f\u7684\u7ebf\u6bb5\u62fc\u6210\u4e86\u4e00\u4e2a\u4e94\u89d2\u661f\u3002\u5982\u679c\u6bcf\u6761\u7ebf\u6bb5\u4e0a\u6070\u67091994\u4e2a\u70b9\u88ab\u67d3\u6210\u7ea2\u8272\uff0c\u90a3\u4e48\u5728\u8fd9\u4e2a\u4e94\u89d2\u661f\u4e0a\u7ea2\u8272\u70b9\u6700\u5c11\u6709\u591a\u5c11\u4e2a\uff1f


\u89e3\uff1a\u4e94\u6761\u7ebf\u4e0a\u53f3\u53d1\u67095*1994=9970\u4e2a\u7ea2\u70b9\uff0c\u5982\u679c\u6240\u6709\u4ea4\u53c9\u70b9\u4e0a\u90fd\u653e\u4e00\u4e2a\u7ea2\u70b9\uff0c\u5219\u7ea2\u70b9\u6700\u5c11\uff0c\u8fd9\u4e94\u6761\u7ebf\u670910\u4e2a\u4ea4\u53c9\u70b9\uff0c\u6240\u4ee5\u6700\u5c11\u67099970-10=9960\u4e2a\u7ea2\u70b9

\u7b54\uff1a\u5728\u8fd9\u4e2a\u4e94\u89d2\u661f\u4e0a\u7ea2\u8272\u70b9\u6700\u5c11\u67099960\u4e2a\u3002

\u6b64\u4e3b\u9898\u76f8\u5173\u56fe\u7247\u5982\u4e0b\uff1a

________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:47:12

--
14\u3001\u7532\u3001\u4e59\u3001\u4e19\u540c\u65f6\u7ed9100\u76c6\u82b1\u6d47\u6c34\u3002\u5df2\u77e5\u7532\u6d47\u4e8678\u76c6\uff0c\u4e59\u6d47\u4e8668\u76c6\uff0c\u4e19\u6d47\u4e8658\u76c6\uff0c\u90a3\u4e483\u4eba\u90fd\u6d47\u8fc7\u7684\u82b1\u6700\u5c11\u6709\u591a\u5c11\u76c6\uff1f
\u89e3\uff1a\u7532\u548c\u4e59\u5fc5\u670978+68-100=46\u76c6\u5171\u540c\u6d47\u8fc7\uff0c\u4e19\u6709100-58=42\u6ca1\u6d47\u8fc7\uff0c\u6240\u4ee53\u4eba\u90fd\u6d47\u8fc7\u7684\u6700\u5c11\u670946-42=4\uff08\u76c6\uff09
\u7b54\uff1a3\u4eba\u90fd\u6d47\u8fc7\u7684\u82b1\u6700\u5c11\u67094\u76c6\u3002
________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:52:54

--
15\u3001\u7532\u3001\u4e59\u3001\u4e19\u90fd\u5728\u8bfb\u540c\u4e00\u672c\u6545\u4e8b\u4e66\uff0c\u4e66\u4e2d\u6709100\u4e2a\u6545\u4e8b\u3002\u6bcf\u4e2a\u4eba\u90fd\u4ece\u67d0\u4e00\u4e2a\u6545\u4e8b\u5f00\u59cb\uff0c\u6309\u987a\u5e8f\u5f80\u540e\u8bfb\u3002\u5df2\u77e5\u7532\u8bfb\u4e8675\u4e2a\u6545\u4e8b\uff0c\u4e59\u8bfb\u4e8660\u4e2a\u6545\u4e8b\uff0c\u4e19\u8bfb\u4e8652\u4e2a\u6545\u4e8b\u3002\u90a3\u4e48\u7532\u3001\u4e59\u3001\u4e193\u4eba\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u6700\u5c11\u6709\u591a\u5c11\u4e2a\uff1f
\u89e3\uff1a\u4e59\u548c\u4e19\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u81f3\u5c11\u670960+52-100=12\uff08\u4e2a\uff09\uff0c\u7532\u65e0\u8bba\u4ece\u54ea\u91cc\u5f00\u59cb\u90fd\u5fc5\u5b9a\u8981\u8bfb\u8fd912\u4e2a\u6545\u4e8b\u3002
\u7b54\uff1a\u7532\u3001\u4e59\u3001\u4e193\u4eba\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u6700\u5c11\u670912\u4e2a\u3002
________________________________________
-- \u4f5c\u8005\uff1aabc
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-12 15:53:43

--
15\u3001\u7532\u3001\u4e59\u3001\u4e19\u90fd\u5728\u8bfb\u540c\u4e00\u672c\u6545\u4e8b\u4e66\uff0c\u4e66\u4e2d\u6709100\u4e2a\u6545\u4e8b\u3002\u6bcf\u4e2a\u4eba\u90fd\u4ece\u67d0\u4e00\u4e2a\u6545\u4e8b\u5f00\u59cb\uff0c\u6309\u987a\u5e8f\u5f80\u540e\u8bfb\u3002\u5df2\u77e5\u7532\u8bfb\u4e8675\u4e2a\u6545\u4e8b\uff0c\u4e59\u8bfb\u4e8660\u4e2a\u6545\u4e8b\uff0c\u4e19\u8bfb\u4e8652\u4e2a\u6545\u4e8b\u3002\u90a3\u4e48\u7532\u3001\u4e59\u3001\u4e193\u4eba\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u6700\u5c11\u6709\u591a\u5c11\u4e2a\uff1f
\u89e3\uff1a\u4e59\u548c\u4e19\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u81f3\u5c11\u670960+52-100=12\uff08\u4e2a\uff09\uff0c\u7532\u65e0\u8bba\u4ece\u54ea\u91cc\u5f00\u59cb\u90fd\u5fc5\u5b9a\u8981\u8bfb\u8fd912\u4e2a\u6545\u4e8b\u3002
\u7b54\uff1a\u7532\u3001\u4e59\u3001\u4e193\u4eba\u5171\u540c\u8bfb\u8fc7\u7684\u6545\u4e8b\u6700\u5c11\u670912\u4e2a\u3002
________________________________________
-- \u4f5c\u8005\uff1acxcbz
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-13 21:53:23

--
\u4ee5\u4e0b\u662f\u5f15\u7528abc\u57282004-12-12 15:42:17\u7684\u53d1\u8a00\uff1a
8\u3001\u5728\u4ece1\u81f31000\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u65e2\u4e0d\u80fd\u88ab5\u9664\u5c3d\uff0c\u53c8\u4e0d\u80fd\u88ab7\u9664\u5c3d\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f

\u89e3\uff1a5\u7684\u500d\u6570\u67091000/5\u5546200\u4e2a\uff0c7\u7684\u500d\u6570\u67091000/7\u5546142\u4e2a\uff0c\u65e2\u662f5\u53c8\u662f7\u7684\u500d\u6570\u67091000/35\u554628\u4e2a\u30025\u548c7\u7684\u500d\u6570\u5171\u6709200+142-28=314\u4e2a\u3002

1000-314=686

\u7b54\uff1a\u65e2\u4e0d\u80fd\u88ab5\u9664\u5c3d\uff0c\u53c8\u4e0d\u80fd\u88ab7\u9664\u5c3d\u7684\u6570\u6709686\u4e2a\u3002


\u9898\u4e2d\u7684\u9664\u5c3d\u5e94\u8be5\u662f\u6574\u9664\u5427.
________________________________________
-- \u4f5c\u8005\uff1acxcbz
-- \u53d1\u5e03\u65f6\u95f4\uff1a2004-12-13 21:56:00

--
\u4ee5\u4e0b\u662f\u5f15\u7528abc\u57282004-12-12 15:45:02\u7684\u53d1\u8a00\uff1a
11\u3001\u56db\u5e74\u7ea7\u4e00\u73ed\u670946\u540d\u5b66\u751f\u53c2\u52a03\u9879\u8bfe\u5916\u6d3b\u52a8\u3002\u5176\u4e2d\u670924\u4eba\u53c2\u52a0\u4e86\u6570\u5b66\u5c0f\u7ec4\uff0c20\u4eba\u53c2\u52a0\u4e86\u8bed\u6587\u5c0f\u7ec4\uff0c\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662f\u65e2\u53c2\u52a0\u6570\u5b66\u5c0f\u7ec4\u53c8\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u4eba\u6570\u76843.5\u500d\uff0c\u53c8\u662f3\u9879\u6d3b\u52a8\u90fd\u53c2\u52a0\u4eba\u6570\u76847\u500d\uff0c\u65e2\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u4e5f\u53c2\u52a0\u8bed\u6587\u5c0f\u7ec4\u7684\u4eba\u6570\u76f8\u5f53\u4e8e3\u9879\u90fd\u53c2\u52a0\u7684\u4eba\u6570\u76842\u500d\uff0c\u65e2\u53c2\u52a0\u6570\u5b66\u5c0f\u7ec4\u53c8\u53c2\u52a0\u8bed\u6587\u5c0f\u7ec4\u7684\u670910\u4eba\u3002\u6c42\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u3002

\u89e3\uff1a\u8bbe\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662fX\uff0c24+20+X-\uff08X/305+2/7*X+10\uff09+X/7=46\uff0c\u89e3\u5f97X=21

\u7b54\uff1a\u53c2\u52a0\u6587\u827a\u5c0f\u7ec4\u7684\u4eba\u6570\u662f21\u4eba\u3002
1. \u56db\u5e74\u7ea7\u4e09\u73ed\u8ba2\u9605\u300a\u5c11\u5e74\u6587\u6458\u300b\u7684\u670919\u4eba\uff0c\u8ba2\u9605\u300a\u5b66\u4e0e\u73a9\u300b\u7684\u670924\u4eba\uff0c\u4e24\u79cd\u90fd\u8ba2\u7684\u670913\u4eba\u3002\u95ee\u8ba2\u9605\u300a
\u5c11\u5e74\u6587\u6458\u300b\u6216\u300a\u5b66\u4e0e\u73a9\u300b\u7684\u6709\u591a\u5c11\u4eba\uff1f
2. \u5e7c\u513f\u56ed\u670958\u4eba\u5b66\u94a2\u7434\uff0c43\u4eba\u5b66\u753b\u753b\uff0c37\u4eba\u65e2\u5b66\u94a2\u7434\u53c8\u5b66\u753b\u753b\uff0c\u95ee\u53ea\u5b66\u94a2\u7434\u548c\u53ea\u5b66\u753b\u753b\u7684\u5206\u522b\u6709\u591a\u5c11
\u4eba\uff1f
3. 1\u81f3100\u7684\u81ea\u7136\u6570\u4e2d\uff1a
\uff081\uff09\u662f2\u7684\u500d\u6570\u53c8\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
\uff082\uff09\u662f2\u7684\u500d\u6570\u6216\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
\uff083\uff09\u662f2\u7684\u500d\u6570\u4f46\u4e0d\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
4. \u67d0\u73ed\u6570\u5b66\u3001\u82f1\u8bed\u671f\u4e2d\u8003\u8bd5\u7684\u6210\u7ee9\u7edf\u8ba1\u5982\u4e0b\uff1a\u82f1\u8bed\u5f97100\u5206\u7684\u670912\u4eba\uff0c\u6570\u5b66\u5f97100\u5206\u7684\u670910\u4eba\uff0c\u4e24\u95e8\u529f
\u8bfe\u90fd\u5f97100\u5206\u7684\u67093\u4eba\uff0c\u4e24\u95e8\u529f\u8bfe\u90fd\u672a\u5f97100\u5206\u7684\u670926\u4eba\u3002\u8fd9\u4e2a\u73ed\u5171\u6709\u5b66\u751f\u591a\u5c11\u4eba\uff1f
5. \u5168\u73ed50\u4eba\uff0c\u4f1a\u9a91\u8f66\u7684\u670932\u4eba\uff0c\u4f1a\u6ed1\u65f1\u51b0\u7684\u670921\u4eba\uff0c\u4e24\u6837\u90fd\u4f1a\u7684\u67098\u4eba\uff0c\u6c42\u4e24\u6837\u90fd\u4e0d\u4f1a\u7684\u6709\u591a\u5c11\u4eba\uff1f
6. \u4e00\u4e2a\u73ed\u6709\u5b66\u751f42\u4eba\uff0c\u53c2\u52a0\u4f53\u80b2\u961f\u7684\u670930\u4eba\uff0c\u53c2\u52a0\u6587\u827a\u961f\u7684\u670925\u4eba\uff0c\u5e76\u4e14\u6bcf\u4eba\u81f3\u5c11\u53c2\u52a0\u4e00\u4e2a\u961f\u3002\u8fd9\u4e2a
\u73ed\u4e24\u961f\u90fd\u53c2\u52a0\u7684\u6709\u591a\u5c11\u4eba\uff1f
\u3010\u8bd5\u9898\u7b54\u6848\u3011
1. \u56db\u5e74\u7ea7\u4e09\u73ed\u8ba2\u9605\u300a\u5c11\u5e74\u6587\u6458\u300b\u7684\u670919\u4eba\uff0c\u8ba2\u9605\u300a\u5b66\u4e0e\u73a9\u300b\u7684\u670924\u4eba\uff0c\u4e24\u79cd\u90fd\u8ba2\u7684\u670913\u4eba\u3002\u95ee\u8ba2\u9605\u300a\u5c11\u5e74\u6587\u6458\u300b
\u6216\u300a\u5b66\u4e0e\u73a9\u300b\u7684\u6709\u591a\u5c11\u4eba\uff1f
19 + 24\u201413 = 30\uff08\u4eba\uff09
\u7b54\uff1a\u8ba2\u9605\u300a\u5c11\u5e74\u6587\u6458\u300b\u6216\u300a\u5b66\u4e0e\u73a9\u300b\u7684\u670930\u4eba\u3002
2. \u5e7c\u513f\u56ed\u670958\u4eba\u5b66\u94a2\u7434\uff0c43\u4eba\u5b66\u753b\u753b\uff0c37\u4eba\u65e2\u5b66\u94a2\u7434\u53c8\u5b66\u753b\u753b\uff0c\u95ee\u53ea\u5b66\u94a2\u7434\u548c\u53ea\u5b66\u753b\u753b\u7684\u5206\u522b\u6709\u591a\u5c11
\u4eba\uff1f
\u53ea\u5b66\u94a2\u7434\u4eba\u6570\uff1a58\u201437 = 21\uff08\u4eba\uff09
\u53ea\u5b66\u753b\u753b\u4eba\u6570\uff1a43\u201437 = 6\uff08\u4eba\uff09
3. 1\u81f3100\u7684\u81ea\u7136\u6570\u4e2d\uff1a
\uff081\uff09\u662f2\u7684\u500d\u6570\u53c8\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
\u65e2\u662f3\u7684\u500d\u6570\u53c8\u662f2\u7684\u500d\u6570\uff0c\u4e00\u5b9a\u662f6\u7684\u500d\u6570
100\u00f76 = 16\u2026\u20264
\u6240\u4ee5\uff0c\u65e2\u662f2\u7684\u500d\u6570\u53c8\u662f3\u7684\u500d\u6570\u670916\u4e2a
\uff082\uff09\u662f2\u7684\u500d\u6570\u6216\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
100\u00f72 = 50\uff0c100\u00f73 = 33\u2026\u20261
50 + 33\u201416 = 67\uff08\u4e2a\uff09
\u6240\u4ee5\uff0c\u662f2\u7684\u500d\u6570\u6216\u662f3\u7684\u500d\u6570\u7684\u6570\u670967\u4e2a\u3002
\uff083\uff09\u662f2\u7684\u500d\u6570\u4f46\u4e0d\u662f3\u7684\u500d\u6570\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f
50\u201416 = 34\uff08\u4e2a\uff09
\u7b54\uff1a\u662f2\u7684\u500d\u6570\u4f46\u4e0d\u662f3\u7684\u500d\u6570\u7684\u6570\u670934\u4e2a\u3002
4. \u67d0\u73ed\u6570\u5b66\u3001\u82f1\u8bed\u671f\u4e2d\u8003\u8bd5\u7684\u6210\u7ee9\u7edf\u8ba1\u5982\u4e0b\uff1a\u82f1\u8bed\u5f97100\u5206\u7684\u670912\u4eba\uff0c\u6570\u5b66\u5f97100\u5206\u7684\u670910\u4eba\uff0c\u4e24\u95e8\u529f
\u8bfe\u90fd\u5f97100\u5206\u7684\u67093\u4eba\uff0c\u4e24\u95e8\u529f\u8bfe\u90fd\u672a\u5f97100\u5206\u7684\u670926\u4eba\u3002\u8fd9\u4e2a\u73ed\u5171\u6709\u5b66\u751f\u591a\u5c11\u4eba\uff1f
12 + 10\u20143 + 26 = 45\uff08\u4eba\uff09
\u7b54\uff1a\u8fd9\u4e2a\u73ed\u5171\u6709\u5b66\u751f45\u4eba\u3002
5. \u5168\u73ed50\u4eba\uff0c\u4f1a\u9a91\u8f66\u7684\u670932\u4eba\uff0c\u4f1a\u6ed1\u65f1\u51b0\u7684\u670921\u4eba\uff0c\u4e24\u6837\u90fd\u4f1a\u7684\u67098\u4eba\uff0c\u6c42\u4e24\u6837\u90fd\u4e0d\u4f1a\u7684\u6709\u591a\u5c11\u4eba\uff1f
50\u2014\uff0830 + 21\u20148\uff09= 7\uff08\u4eba\uff09
\u7b54\uff1a\u4e24\u6837\u90fd\u4e0d\u4f1a\u7684\u67097\u4eba\u3002
6. \u4e00\u4e2a\u73ed\u6709\u5b66\u751f42\u4eba\uff0c\u53c2\u52a0\u4f53\u80b2\u961f\u7684\u670930\u4eba\uff0c\u53c2\u52a0\u6587\u827a\u961f\u7684\u670925\u4eba\uff0c\u5e76\u4e14\u6bcf\u4eba\u81f3\u5c11\u53c2\u52a0\u4e00\u4e2a\u961f\u3002\u8fd9\u4e2a
\u73ed\u4e24\u961f\u90fd\u53c2\u52a0\u7684\u6709\u591a\u5c11\u4eba\uff1f
30 + 25\u201442 = 13\uff08\u4eba\uff09
\u7b54\uff1a\u8fd9\u4e2a\u73ed\u4e24\u961f\u90fd\u53c2\u52a0\u7684\u670913\u4eba\u3002
\u67d0\u73ed\u540c\u5b66\u53c2\u52a0\u5347\u5b66\u8003\u8bd5\uff0c\u5f97\u6ee1\u5206\u7684\u4eba\u6570\u5982\u4e0b\uff1a\u6570\u5b6620\u4eba\uff0c\u8bed\u658720\u4eba\uff0c\u82f1\u8bed20\u4eba\uff0c\u6570\u5b66\u3001\u82f1\u8bed\u4e24\u79d1\u6ee1\u5206\u80058\u4eba\uff0c\u6570\u5b66\u3001\u8bed\u6587\u4e24\u79d1\u6ee1\u5206\u80057\u4eba\uff0c\u8bed\u6587\u3001\u82f1\u8bed\u4e24\u79d1\u6ee1\u5206\u80059\u4eba\uff0c\u4e09\u79d1\u90fd\u6ca1\u5f97\u6ee1\u5206\u80053\u4eba.\u95ee\u8fd9\u4e2a\u73ed\u6700\u591a\u591a\u5c11\u4eba\uff1f\u6700\u5c11\u591a\u5c11\u4eba\uff1f
\u5206\u6790\u4e0e\u89e3 \u5982\u56fe6\uff0c\u6570\u5b66\u3001\u8bed\u6587\u3001\u82f1\u8bed\u5f97\u6ee1\u5206\u7684\u540c\u5b66\u90fd\u5305\u542b\u5728\u8fd9\u4e2a\u73ed\u4e2d\uff0c\u8bbe\u8fd9\u4e2a\u73ed\u6709y\u4eba\uff0c\u7528\u957f\u65b9\u5f62\u8868\u793a.A\u3001B\u3001C\u5206\u522b\u8868\u793a\u6570\u5b66\u3001\u8bed\u6587\u3001\u82f1\u8bed\u5f97\u6ee1\u5206\u7684\u4eba\uff0c\u7531\u5df2\u77e5\u6709A\u2229C=8\uff0cA\u2229B=7\uff0cB\u2229C=9.A\u2229B\u2229C=X.

\u7531\u5bb9\u65a5\u539f\u7406\u6709
Y=A\uff0bB\uff0bc-A\u2229B-A\u2229C-B\u2229C+A\u2229B\u2229C\uff0b3
\u5373y=20\uff0b20+20-7-8-9\uff0bx+3=39\uff0bx\u3002
\u4ee5\u4e0b\u6211\u4eec\u8003\u5bdf\u5982\u4f55\u6c42y\u7684\u6700\u5927\u503c\u4e0e\u6700\u5c0f\u503c\u3002
\u7531y=39+x\u53ef\u77e5\uff0c\u5f53x\u53d6\u6700\u5927\u503c\u65f6\uff0cy\u4e5f\u53d6\u6700\u5927\u503c\uff1b\u5f53x\u53d6\u6700\u5c0f\u503c\u65f6\uff0cy\u4e5f\u53d6\u6700\u5c0f\u503cx\u662f\u6570\u5b66\u3001\u8bed\u6587\u3001\u82f1\u8bed\u4e09\u79d1\u90fd\u5f97\u6ee1\u5206\u7684\u4eba\u6570\uff0c\u56e0\u800c\u4ed6\u4eec\u4e2d\u7684\u4eba\u6570\u4e00\u5b9a\u4e0d\u8d85\u8fc7\u4e24\u79d1\u5f97\u6ee1\u5206\u7684\u4eba\u6570\uff0c\u5373x\u22647\uff0cx\u22648\u4e14x\u22649\uff0c\u7531\u6b64\u6211\u4eec\u5f97\u5230x\u22647.\u53e6\u4e00\u65b9\u9762\u6570\u5b66\u5f97\u6ee1\u5206\u7684\u540c\u5b66\u6709\u53ef\u80fd\u8bed\u6587\u90fd\u6ca1\u5f97\u6ee1\u5206\uff0c\u4e5f\u5c31\u662f\u8bf4\u6ca1\u6709\u4e09\u79d1\u90fd\u5f97\u6ee1\u5206\u7684\u540c\u5b66\uff0c\u6545x\u22650\uff0c\u65450\u2264x\u22647\u3002
\u5f53x\u53d6\u6700\u5927\u503c7\u65f6\uff0cy\u6709\u6700\u5927\u503c39\uff0b7=46\uff0c\u5f53x\u53d6\u6700\u5c0f\u503c0\u65f6\uff0cy\u6709\u6700\u5c0f\u503c39\uff0b0=39\u3002
\u7b54\uff1a\u8fd9\u4e2a\u73ed\u6700\u591a\u670946\u4eba\uff0c\u6700\u5c11\u670939\u4eba\u3002
\u98981\u3001\u8425\u4e1a\u5458\u628a\u4e00\u5f205\u5143\u7684\u4eba\u6c11\u5e01\u548c\u4e00\u5f205\u89d2\u7684\u4eba\u6c11\u5e01\u6362\u6210\u4e8628\u5f20\u7968\u9762\u4e3a1\u5143\u548c1\u89d2\u7684\u4eba\u6c11\u5e01\uff0c\u6c42\u6362\u6765\u7684\u8fd9\u4e24\u79cd\u4eba\u6c11\u5e01\u5404\u591a\u5c11\u5f20\uff1f

\u98982\u3001\u6709\u4e00\u5143\uff0c\u4e8c\u5143\uff0c\u4e94\u5143\u7684\u4eba\u6c11\u5e01\u517150\u5f20\uff0c\u603b\u9762\u503c\u4e3a116\u5143\uff0c\u5df2\u77e5\u4e00\u5143\u7684\u6bd4\u4e8c\u5143\u7684\u591a2\u5f20\uff0c\u95ee\u4e09\u79cd\u9762\u503c\u7684\u4eba\u6c11\u5e01\u5404\u591a\u5c11\u5f20\uff1f

\u98983\u3001\u67093\u5143\uff0c5\u5143\u548c7\u5143\u7684\u7535\u5f71\u7968400\u5f20\uff0c\u4e00\u5171\u4ef7\u503c1920\u5143\uff0c\u5176\u4e2d7\u5143\u548c5\u5143\u7684\u5f20\u6570\u76f8\u7b49\uff0c\u4e09\u79cd\u4ef7\u683c\u7684\u7535\u5f71\u7968\u5404\u591a\u5c11\u5f20\uff1f

\u98984\u3001\u7528\u5927\u3001\u5c0f\u4e24\u79cd\u6c7d\u8f66\u8fd0\u8d27\uff0c\u6bcf\u8f86\u5927\u6c7d\u8f66\u88c518\u7bb1\uff0c\u6bcf\u8f86\u5c0f\u6c7d\u8f66\u88c512\u7bb1\uff0c\u73b0\u5728\u670918\u8f66\u8d27\uff0c\u4ef7\u503c3024\u5143\uff0c\u82e5\u6bcf\u7bb1\u4fbf\u5b9c2\u5143\uff0c\u5219\u8fd9\u6279\u8d27\u4ef7\u503c2520\u5143\uff0c\u95ee\uff1a\u5927\u3001\u5c0f\u6c7d\u8f66\u5404\u6709\u591a\u5c11\u8f86\uff1f

\u98985\u3001\u4e00\u8f86\u5361\u8f66\u8fd0\u77ff\u77f3\uff0c\u6674\u5929\u6bcf\u5929\u53ef\u8fd020\u6b21\uff0c\u96e8\u5929\u6bcf\u5929\u53ef\u8fd012\u6b21\uff0c\u5b83\u4e00\u5171\u8fd0\u4e86112\u6b21\uff0c\u5e73\u5747\u6bcf\u5929\u8fd014\u6b21\uff0c\u8fd9\u51e0\u5929\u4e2d\u6709\u51e0\u5929\u662f\u96e8\u5929\uff1f

\u98986\u3001\u8fd0\u6765\u4e00\u6279\u897f\u74dc\uff0c\u51c6\u5907\u5206\u4e24\u7c7b\u5356\uff0c\u5927\u7684\u6bcf\u5343\u514b0.4\u5143\uff0c\u5c0f\u7684\u6bcf\u5343\u514b0.3\u5143\uff0c\u8fd9\u6837\u5356\u8fd9\u6279\u897f\u74dc\u5171\u503c290\u5143\uff0c\u5982\u679c\u6bcf\u5343\u514b\u897f\u74dc\u964d\u4ef70.05\u5143\uff0c\u8fd9\u6279\u897f\u74dc\u53ea\u80fd\u5356250\u5143\uff0c\u95ee\uff1a\u6709\u591a\u5c11\u5343\u514b\u5927\u897f\u74dc\uff1f

\u98987\u3001\u7532\u3001\u4e59\u4e8c\u4eba\u6295\u98de\u9556\u6bd4\u8d5b\uff0c\u89c4\u5b9a\u6bcf\u4e2d\u4e00\u6b21\u8bb010\u5206\uff0c\u8131\u9776\u6bcf\u6b21\u5012\u62636\u5206\uff0c\u4e24\u4eba\u5404\u629510\u6b21\uff0c\u5171\u5f97152\u5206\uff0c\u5176\u4e2d\u7532\u6bd4\u4e59\u591a\u5f9716\u5206\uff0c\u95ee\uff1a\u4e24\u4eba\u5404\u4e2d\u591a\u5c11\u6b21\uff1f

\u98988\u3001\u67d0\u6b21\u6570\u5b66\u7ade\u8d5b\u5171\u670920\u6761\u9898\u76ee\uff0c\u6bcf\u7b54\u5bf9\u4e00\u9898\u5f975\u5206\uff0c\u9519\u4e86\u4e00\u9898\u4e0d\u4ec5\u4e0d\u5f97\u5206\uff0c\u800c\u4e14\u8fd8\u8981\u5012\u62632\u5206\uff0c\u8fd9\u6b21\u7ade\u8d5b\u5c0f\u660e\u5f97\u4e8686\u5206\uff0c\u95ee\uff1a\u4ed6\u7b54\u5bf9\u4e86\u51e0\u9053\u9898\uff1f
1.\u89e3\uff1a\u8bbe\u67091\u5143\u7684x\u5f20\uff0c1\u89d2\u7684(28-x)\u5f20
x+0.1(28-x)=5.5
0.9x=2.7
x=3
28-x=25
\u7b54\uff1a\u6709\u4e00\u5143\u76843\u5f20\uff0c\u4e00\u89d2\u768425\u5f20\u3002

2.\u89e3\uff1a\u8bbe1\u5143\u7684\u6709x\u5f20\uff0c2\u5143\u7684\uff08x-2)\u5f20\uff0c5\u5143\u7684(52-2x)
x+2(x-2)+5(52-2x)=116
x+2x-4+260-10x=116
7x=140
x=20
x-2=18
52-2x=12
\u7b54\uff1a1\u5143\u7684\u670920\u5f20\uff0c2\u514318\u5f20\uff0c5\u514312\u5f20\u3002

3.\u89e3\uff1a\u8bbe\u67097\u5143\u548c5\u5143\u5404x\u5f20\uff0c3\u5143\u7684(400-2x)\u5f20
7x+5x+3(400-2x)=1920
12x+1200-6x=1920
6x=720
x=120
400-2x=160
\u7b54\uff1a\u67093\u5143\u7684160\u5f20\uff0c7\u5143\u30015\u5143\u5404120\u5f20\u3002

4.\u89e3\uff1a\u8d27\u7269\u603b\u6570\uff1a\uff083024-2520\uff09\u00f72=252\uff08\u7bb1\uff09
\u8bbe\u6709\u5927\u6c7d\u8f66x\u8f86\uff0c\u5c0f\u6c7d\u8f66(18-x)\u8f86
18x+12(18-x)=252
18x+216-12x=252
6x=36
x=6
18-x=12
\u7b54\uff1a\u6709\u5927\u6c7d\u8f666\u8f86\uff0c\u5c0f\u6c7d\u8f6612\u8f86\u3002

5.\u89e3\uff1a\u5929\u6570=112\u00f714=8\u5929
\u8bbe\u6709x\u5929\u662f\u96e8\u5929
20(8-x)+12x=112
160-20x+12x=112
8x=48
x=6
\u7b54\uff1a\u67096\u5929\u662f\u96e8\u5929\u3002

6.\u89e3\uff1a\u897f\u74dc\u6570\uff1a\uff08290-250\uff09\u00f70.05=800\u5343\u514b
\u8bbe\u6709\u5927\u897f\u74dcx\u5343\u514b
0.4x+0.3(800-x)=290
0.4x+240-0.3x=290
0.1x=50
x=500
\u7b54\uff1a\u6709\u5927\u897f\u74dc500\u5343\u514b\u3002

7.\u89e3\uff1a\u7532\u5f97\u5206\uff1a\uff08152+16\uff09\u00f72=84\u5206
\u4e59\uff1a152-84=68\u5206
\u8bbe\u7532\u4e2dx\u6b21
10x-6(10-x)=84
10x-60+6x=84
16x=144
x=9
\u8bbe\u4e59\u4e2dy\u6b21
10y-6(10-y)=68
16y=128
y=8
\u7b54\uff1a\u7532\u4e2d9\u6b21\uff0c\u4e598\u6b21\u3002

8.\u89e3\uff1a\u8bbe\u4ed6\u7b54\u5bf9x\u9053\u9898
5x-2(20-x)=86
5x-40+2x=86
7x=126
x=18
\u7b54\uff1a\u4ed6\u7b54\u5bf9\u4e8618\u9898\u3002

1.甲、乙两个数的和是38.72，如果乙数的小数点向左移动一位就等于甲数，那么甲、乙两数各是多少？

2. （1） 1.25×0.25×3232×9.1 （2）12+12.1+12.2+……+12.8+12.9

3.小鹏和妈妈乘电动飞机。买票时小鹏付了20元，找回8元。这里学生票是成人票的一半，那么学生票和成人票各多少钱？

4.一个学生家的家离学校3千米，他每天骑车上学，以每小时15千米的速度行进，恰好准时到校。一天早晨，因为逆风，开始的1千米，他只能以每小时10千米的速度行进，剩下的路程他应以什么速度行进，才能准时到校？

5.右图中AB=3厘米，CD=12厘米，ED=8厘米，AF=7厘米.四边形ABDE的面积是多少平方厘米？

6.求出图中梯形ABCD的面积，其中BC=56厘米。（单位：厘米）

7.某班统计数学考试成绩，平均分是84.2分，后来发现小明的成绩是97分，而被错误统计为79分。重新计算后，平均成绩是84.6分，这个班有多少学生？

8.有两条纸带，一条长29厘米，另一条长13厘米，把两条纸带都剪下同样长的一段以后，发现短纸带剩下的长度是长纸带剩下长度的三分之一。问剪下的一段有多长？

9. 5年前，妈妈的年龄是儿子的5倍，今年母子的年龄和是52岁。问妈妈今年多少岁？

10.某学校安排学生住宿舍，如果每间5人，则有13人没有床位；如果每间8人，则多出一间宿舍。问：宿舍几间？学生几人？

11.在一副扑克牌中，最少要拿出多少张，才能保证在拿出的牌中4种花色都有？

12.买甲种布8米，乙种布18米，功用去37.8元。已知1米甲种布和3米乙种布的价钱相等。求甲、乙两种布的单价各多少？

13.甲车站有222辆汽车，乙车站有48辆汽车，每天从甲站开往乙站23辆，从乙站开往甲站26辆，多少天后，甲站的汽车辆数是乙站的8倍？

14.甲、乙两人从相距40千米的A,B两地相向往返而行，甲每小时行4千米，甲出发3小时后乙才出发，乙每小时行5千米。两人相遇后继续行走，他们第二次相遇的地点距A地多少千米？

15.有那块相同的长方体木料，每块长4厘米，宽3厘米，高2厘米，打算将这两块长方体木料拼成一个比较大的长方体。问：怎样拼，拼成的长方体的表面积最小？最小是多少？

16.一块长15分米，宽9分米，厚6分米的长方体木块，可以截成多少块棱长是3分米的正方体？（损耗不计）

17.父子二人，父亲48岁，儿子21岁。问：多少年前父亲的年龄是儿子的4倍？

18.五年级一班有42人，在一次数学竞赛中，全班的平均成绩是92分，已知女生的平均分是92.5分，男生的平均分是91.45分。女生比男生多几人？

19.有5箱矿石，质量分别是12千克，15千克，10千克，8千克，和13千克。从中选出4箱给甲、乙两人，甲的质量是乙的2倍。剩下的是哪一箱？

20.两个数的最大公因数是45，最小公倍数是945.（大数不是小数的倍数）求这两个数。

21.有3根小棒，分别长12厘米，44厘米，56厘米。要把他们截成同样长的小棒，不许有剩余，每根小棒最长能有多少厘米？一共可以结成多少根小棒？

22.某班参加活动，人数在30~50人之间。如果分成3人一组，4人一组，6人一组或8人一组，都恰好分完。参加这次活动的学生有多少人?

23.把一个分数约分，用2约了2次，用3约了1次，得5/6。问原来的数是多少？

24.书店运来一种儿童故事书，2天卖完。第一天卖了30%，第二天卖的相当于第一天的120%，比第一天多卖30本。书店运来的这种故事书一共有多少本？

25.蜗牛沿着10米高的柱子往上爬，每天从清晨到傍晚向上爬5米，晚间又滑下4米。像这样从某天清晨开始，第几天爬到柱顶？

1、一只船在静水中每小时行8千米，逆水行4小时航行24千米，求水流速度？

2、一只每小时航行13千米的客船在一条河中航行，这条河的水速为每小时7千米，这只客船顺水航行140千米需要多少小时？

3、甲乙两港间的水路长208千米，一只船从甲港开往乙港，顺水8小时到达，从乙港返回甲港，逆水13小时到达。求船在静水的速度？

4、两个码头相距360千米，一艘汽艇顺水行完全程需9小时，这条河水流速度为每小时5千米，求这艘汽艇逆水行完全程需几小时？
5、一条船顺水而行，5小时行60千米，逆水航行这段水路，10小时才能到达，求船速与水流速度？

6、一条大河，河中间(主航道)水的流速为每小时8千米，沿岸边水的流速为每小时6千米，一条船在河中间顺流而下，13小时行驶520千米。求这条船沿岸边返回原地需要多少小时？

7、甲河是乙河的支流，甲河水流速度为每小时3千米，乙河水流速度为每小时2千米，一艘船沿乙河逆水航行6小时，行了84千米到达甲河，在甲河还要顺水航行133千米，这艘船一共航行多少小时？

8、一支运货小船队，第一次顺流航行42千米，逆流航行8千米，共用11小时；第二次用同样的时间，顺流航行24千米，逆流航行14千米，求这支小船队在静水中的速度和水流速度？

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