六年级下册数学奥数题 40分钟内回答加分 急~~好心人来帮忙解答 要过程的 我要对下答案 谢谢了 六年级下册数学奥数题和答案 起码要有20题 难一点的 还有有...

\u516d\u5e74\u7ea7\u7684\u5965\u6570\u9898\uff0c\u597d\u5fc3\u4eba\u5e2e\u5e2e\u5fd9\uff0c\u7b54\u5bf9\u7ed9\u79ef\u5206\u3002

1\u3001\u5206\u522b\u6709\u4e09\u4eba\uff08A\u3001B\u3001E\uff09\u8bf4\u7b2c\u4e8c\u540d\u662f\u67d0\u4eba\u3002\u5047\u8bbe\u4e00\u4eba\u5bf9\uff0c\u5047\u8bbeA\u5bf9\uff0c\u90a3\u4e48\u5f97\u51fa\uff1a\u7b2c\u4e8c\u540d\u662fD\u3002E\u8bf4\u7b2c\u4e8c\u540d\u662fB\uff0c\u662f\u9519\u7684\uff0c\u90a3\u4e48\u7b2c\u4e94\u540d\u786c\u6328\u662fD\u5bf9\u7684\u3002\u77db\u76fe\u3002\u6545\uff1aA\u7684\u7b2c\u4e00\u53e5\u662f\u9519\u7684\uff0c\u7b2c\u4e8c\u53e5\u662f\u5bf9\u7684\u3002\u90a3\u4e48\u7b2c\u4e09\u540d\u5c31\u662fB\uff0cD\u8bf4\u7b2c\u4e09\u540d\u662fC\u5c31\u662f\u9519\u7684\u4e86\uff0c\u53ef\u5f97\u51fa\u7b2c\u56db\u540d\u662fA\u3002\u7ee7\u7eed\u5206\u6790\u4e00\u4e0b\u5f88\u5bb9\u6613\u5f97\u51fa\uff1a1=E,2=C,3=B,4=A,5=D
2\u3001\u5206\u522b\u628a\u4e09\u4e2a\u6761\u4ef6\u5217\u6210\u4e09\u5217\u8fde\u7ebf\uff0c\u5f88\u7b80\u5355\u3002
\u82cf\u5dde\u662f\u5de5\u4eba\uff0c\u90a3\u4e48\u5357\u4eac\u5c31\u662f\u519c\u6c11\u4e86\uff0c\u897f\u5b89\u5c31\u662f\u6559\u5e08\u3002
\u4e59\u4e0d\u662f\u519c\u6c11\uff0c\u6240\u4ee5\u4e59\u4e0d\u5728\u5357\u4eac\uff0c\u7532\u4e0d\u5728\u5357\u4eac\uff0c\u6545\u4e19\u5728\u5357\u4eac
\u4e59\u4e0d\u5728\u82cf\u5dde\uff0c\u90a3\u4e48\u4e59\u5728\u897f\u5b89\uff0c\u6240\u4ee5\u7532\u5728\u82cf\u5dde\u3002

1\u3001\u4e00\u4e2a\u56db\u4f4d\u65703\uff08\uff097\uff08\uff09\u80fd\u540c\u65f6\u88ab9\u548c4\u6574\u9664\uff0c\u6c42\u8fd9\u6837\u7684\u56db\u4f4d\u6570\u4e2d\u6700\u5927\u6570\u5341\u591a\u5c11\uff1f\u6700\u5c0f\u662f\u591a\u5c11\uff1f
2\u3001\u8981\u4f7f\u516d\u4f4d\u657015ABC\u80fd\u88ab36\u6574\u9664\uff0c\u800c\u4e14\u6240\u5f97\u7684\u5546\u6700\u5c0f\uff0c\u95eeA\u3001B\u3001C\u3001\u5404\u4ee3\u8868\u4ec0\u4e48\u6570\u5b57\uff1f\u5546\u6700\u5927\u5462\uff1f
3\u3001\u4ece0\u30013\u30015\u30017\u8fd9\u56db\u4e2a\u6570\u5b57\u4e2d\u4efb\u90093\u4e2a\u6570\uff0c\u6392\u6210\u80fd\u540c\u65f6\u88ab2\u30013\u30015\u6574\u9664\u7684\u4e09\u4f4d\u6570\uff0c\u8fd9\u6837\u7684\u4e09\u4f4d\u6570\u6709\u54ea\u4e9b\uff1f
4\u3001\u75282\u30013\u30014\u30015\u56db\u4e2a\u6570\u5b57\u7ec4\u6210\u7684\u56db\u4f4d\u6570\u4e2d\uff0c\u80fd\u88ab11\u6574\u9664\u7684\u6570\u90fd\u6709\u54ea\u4e9b\uff0c\u8bf7\u6309\u4ece\u5927\u5230\u5c0f\u6392\u5217\u51fa\u6765\u3002
5\u3001\u4e2a\u4f4d\u6570\u5b57\u4e3a6\uff0c\u4e14\u80fd\u88ab3\u6574\u9664\u7684\u56db\u4f4d\u6570\u5171\u6709\u591a\u5c11\uff1f
6\u3001\u628a\u82e5\u5e72\u4e2a\u81ea\u7136\u65701,2,3\uff0c\u3002\u3002\u3002\u3002\u3002\u3002\u4e58\u5728\u4e00\u8d77\uff0c\u5982\u679c\u5df2\u77e5\u8fd9\u4e2a\u6210\u7ee9\u7684\u6700\u672b13\u4f4d\u6070\u597d\u90fd\u662f0\uff0c\u90a3\u4e48\u6700\u540e\u90a3\u4e2a\u81ea\u7136\u6570\u6700\u5c0f\u5e94\u8be5\u662f\u591a\u5c11\uff1f
7.\u4e00\u4ef6\u5546\u54c1\u6309\u539f\u4ef7\u76848\u6298\u51fa\u552e\uff0c\u80fd\u83b7\u522920%\uff0c\u7531\u4e8e\u6210\u672c\u964d\u4f4e\uff0c\u5148\u6309\u539f\u4ef7\u768475\u6298\u51fa\u552e\uff0c\u80fd\u83b7\u522925%\uff0c\u90a3\u4e48\u73b0\u5728\u7684\u6210\u672c\u6bd4\u539f\u6765\u964d\u4f4e\u4e86\u51e0\u5206\u4e4b\u51e0\uff1f
8.\u67d0\u6821\u56db\u5e74\u7ea7\u539f\u6709\u4e24\u4e2a\u73ed\uff0c\u73b0\u5728\u91cd\u65b0\u7f16\u4e3a\u4e09\u4e2a\u73ed\uff0c\u5c06\u539f\u4e00\u73ed\u76841/3\u548c\u539f\u4e8c\u73ed\u76841/4\u7ec4\u6210\u65b0\u4e00\u73ed\uff0c\u5c06\u539f\u4e00\u73ed\u76841/4\u548c\u539f\u4e8c\u73ed\u76841/3\u7ec4\u6210\u65b0\u4e8c\u73ed\uff0c\u4f59\u4e0b\u768430\u4eba\u7ec4\u6210\u65b0\u4e09\u73ed\u3002\u5982\u679c\u65b0\u4e00\u73ed\u7684\u4eba\u6570\u6bd4\u65b0\u4e8c\u73ed\u7684\u4eba\u6570\u591a10%\u3002\u65b0\u4e00\u73ed\u6709\u591a\u5c11\u4eba\uff1f
9.\u5df2\u77e5\u7532\u3001\u4e59\u4e24\u8f66\u5206\u522b\u4ece\u76f8\u8ddd300\u5343\u7c73\u7684A\u3001B\u4e24\u5730\u540c\u65f6\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\u3002\u5176\u4e2d\u7532\u5230B\u4ee5\u540e\u7acb\u5373\u53cd\u56de\uff0c\u7532\u53bb\u65f6\u7528\u4e863\u5c0f\u65f6\uff0c\u8fd4\u56de\u65f6\u7528\u4e8615/4\u5c0f\u65f6\u3002\u4e59\u8f66\u8f83\u6162\uff0c\u7532\u8fd4\u56de\u540e\uff0c\u518d\u8fc7\u4e00\u4f1a\u624d\u5230A\u5730\u3002\u5f53\u4ed6\u4eec\u884c\u9a76\u4e0e\u5404\u81ea\u7684\u51fa\u53d1\u5730\u8ddd\u79bb\u76f8\u7b49\u65f6\uff0c\u90fd\u7528\u4e869/2\u5c0f\u65f6\uff0c\u6c42\u4ed6\u4eec\u4f55\u65f6\u76f8\u9047\u3002
10.\u5c0f\u521a\u548c\u5c0f\u660e\u4ece\u5bb6\u51fa\u53d1\u76f8\u5411\u800c\u884c\uff0c\u5c0f\u521a\u6bcf\u5206\u949f\u8d7052\u7c73\uff0c\u5c0f\u660e\u6bcf\u5206\u949f\u8d7070\u7c73\uff0c\u4e24\u4eba\u5728\u9014\u4e2dA\u76f8\u9047\uff0c\u82e5\u5c0f\u521a\u63d0\u524d4\u5206\u949f\u51fa\u53d1\uff0c\u4e14\u901f\u5ea6\u4e0d\u53d8\uff0c\u5c0f\u660e\u6bcf\u5206\u949f\u8d7090\u7c73\uff0c\u4e24\u4eba\u4ecd\u7136\u5728A\u5904\u76f8\u9047\uff0c\u4e24\u5bb6\u8ddd\u79bb\u591a\u5c11\u7c73\uff1f
11.\u67d0\u8f66\u95f4\u5171\u670986\u540d\u5de5\u4eba\uff0c\u5df2\u77e5\u6bcf\u4eba\u5e73\u5747\u6bcf\u5929\u53ef\u52a0\u5de5\u7532\u79cd\u90e8\u4ef615\u4e2a\uff0c\u6216\u4e59\u79cd\u90e8\u4ef612\u4e2a\uff0c\u6216\u4e19\u79cd\u90e8\u4ef69\u4e2a\uff0c\u8981\u4f7f\u52a0\u5de5\u540e\u7684\u90e8\u4ef6\u63093\u4e2a\u7532\u79cd\u90e8\u4ef6\u30012\u4e2a\u4e59\u79cd\u90e8\u4ef6\u548c1\u4e2a\u4e19\u79cd\u90e8\u4ef6\u914d\u5957\uff0c\u5219\u5e94\u5b89\u6392\u591a\u5c11\u4eba\u52a0\u5de5\u7532\u79cd\u90e8\u4ef6\uff0c\u591a\u5c11\u4eba\u52a0\u5de5\u4e59\u79cd\u90e8\u4ef6\uff0c\u591a\u5c11\u4eba\u52a0\u5de5\u4e19\u79cd\u90e8\u4ef6\u3002
12.\u5973\u513f\u6bcf\u5929\u653e\u5b66\u540e,\u7236\u4eb2\u90fd\u51c6\u65f6\u53bb\u63a5.\u67d0\u65e5\u5973\u513f\u63d0\u524d\u653e\u5b66\u6b65\u884c\u56de\u5bb6.\u800c\u7236\u4eb2\u5f53\u5929\u56e0\u4e8b\u665a10\u5206\u949f\u51fa\u53d1\u63a5\u5973\u513f.\u5973\u513f\u5728\u6b65\u884c8\u5206\u949f\u540e\u9047\u5230\u7236\u4eb2,\u7136\u540e\u4e00\u8d77\u56de\u5bb6.\u7ed3\u679c\u5230\u5bb6\u65f6\u95f4\u6bd4\u5e73\u65f6\u665a\u4e863\u5206\u949f,\u5047\u8bbe\u7236\u4eb2\u7684\u901f\u5ea6\u4fdd\u6301\u6052\u5b9a,\u6c42\u5973\u513f\u63d0\u524d\u591a\u5c11\u5206\u949f\u653e\u5b66?
13.\u75280\uff0c1\uff0c2\uff0c\u2026\uff0c9\u5341\u4e2a\u6570\u5b57\u7ec4\u6210\u4e94\u4e2a\u4e24\u4f4d\u6570\uff0c\u6bcf\u4e2a\u6570\u5b57\u53ea\u80fd\u7528\u4e00\u6b21\uff0c\u8981\u6c42\u5b83\u4eec\u7684\u548c\u662f\u4e00\u4e2a\u5947\u6570\uff0c\u5e76\u4e14\u5c3d\u53ef\u80fd\u7684\u5927\uff0c\u4e24\u4f4d\u6570\u7684\u548c\u662f\u591a\u5c11\uff1f
14.\u67d0\u5546\u54c1\u6210\u672c\u4e3a\u6bcf\u4e2a80\u5143\uff0c\u5982\u679c\u6309\u6bcf\u4e2a100\u5143\u5356\uff0c\u53ef\u5356\u51fa1000\u4e2a\u3002\u5f53\u8fd9\u79cd\u5546\u54c1\u6bcf\u4e2a\u6da8\u4ef71\u5143\uff0c\u9500\u552e\u91cf\u5c31\u51cf\u5c1120\u4e2a\u3002\u4e3a\u4e86\u8d5a\u53d6\u6700\u591a\u7684\u5229\u6da6\uff0c\u552e\u4ef7\u5e94\u5b9a\u4e3a\u6bcf\u4e2a\u591a\u5c11\u5143\u3002
15.\u7532\u4e59\u4e24\u4eba\u5206\u522b\u4eceA,B \u4e24\u5730\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\uff0c\u51fa\u53d1\u65f6\u4ed6\u4eec\u7684\u901f\u5ea6\u6bd4\u662f3:2,\u4ed6\u4eec\u7b2c\u4e00\u6b21\u76f8\u9047\u540e\uff0c\u7532\u7684\u901f\u5ea6\u63d0\u9ad8\u4e8620% \uff0c\u4e59\u7684\u901f\u5ea6\u63d0\u9ad8\u4e8630% ,\u8fd9\u6837\uff0c\u5f53\u7532\u5230\u8fbeB\u5730\u65f6,\u4e59\u79bb\u5730A\u5730\u8fd8\u670914\u5343\u7c73 \uff0c\u90a3\u4e48AB\u4e24\u5730\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f\u591a\u5c11\uff1f


1.
\u88ab9\u6574\u9664\u7684\u6570\uff0c\u5404\u4f4d\u6570\u5b57\u548c\u80fd\u88ab9\u6574\u9664\u3002
\u88ab4\u6574\u9664\u7684\u6570\uff0c\u540e\u4e24\u4f4d\u80fd\u88ab4\u6574\u9664

\u6240\u4ee5\u540e\u4e24\u4f4d\u53ef\u80fd\u4e3a\uff1a72\u621676
1\uff09\u540e\u4e24\u4f4d\u4e3a72\u65f6
3+7+2=12
\u7b2c\u4e8c\u4f4d\u4e3a18-12=6
\u8fd9\u4e2a\u56db\u4f4d\u6570\u4e3a3672
2\uff09\u540e\u4e24\u4f4d\u4e3a76\u65f6
3+7+6=16
\u7b2c\u4e8c\u4f4d\u4e3a18-16=2
\u8fd9\u4e2a\u56db\u4f4d\u6570\u4e3a3276
\u8fd9\u6837\u7684\u56db\u4f4d\u6570\uff0c\u53ea\u6709\u4e24\u4e2a\uff0c
\u5927\u7684\u4e3a\uff1a3672
\u5c0f\u7684\u4e3a\uff1a3276

2\u3002
\u5230\u5e95\u662f5\u4f4d\u6570\u8fd8\u662f6\u4f4d\u6570\uff1f
\u63095\u4f4d\u6570\u6c42\u89e3\u5982\u4e0b\u3002
\u80fd\u88ab36\u6574\u9664\uff0c\u5c31\u8981\u80fd\u540c\u65f6\u88ab4\u548c9\u6574\u9664
\u5546\u6700\u5c0f\uff0c\u5c31\u662f\u6c42\u6ee1\u8db3\u8981\u6c42\u7684\u6700\u5c0f\u76845\u4f4d\u6570\u3002
1+5=6,\u80fd\u88ab9\u6574\u9664\u7684\u6570\uff0c\u6700\u5c0f\u4e3a9\uff0c\u90a3\u4e48\u5c31\u8981\u770bA,B,C\u7684\u548c\u4e3a3\u5373\u53ef
\u80fd\u88ab4\u6574\u9664\uff0c\u9700\u8981\u540e\u4e24\u4f4d\u80fd\u88ab4\u6574\u9664
\u5546\u6700\u5c0f\u65f6\uff0c
A=0
B=1
C=2
\u540c\u7406\uff0c\u5546\u6700\u5927\u65f6
\u540e\u4e09\u4f4d\u7684\u548c\u4e3a27-6=21
21-9=12
8+4=12
A=9,B=8,,C=4

3\u3002
\u80fd\u88ab5\u6574\u9664\uff0c\u4e2a\u4f4d\u4e3a0\u62165
\u80fd\u88ab2\u6574\u9664\uff0c\u4e2a\u4f4d\u4e3a\u5076\u6570
\u6240\u4ee5\u4e2a\u4f4d\u53ea\u80fd\u4e3a0
\u80fd\u88ab3\u6574\u9664\uff0c\u5404\u4f4d\u6570\u5b57\u4e4b\u548c\u80fd\u88ab3\u6574\u9664\uff0c
\u73b0\u5728\u4e2a\u4f4d\u6570\u5b57\u5df2\u7ecf\u786e\u5b9a\u4e3a0\uff0c\u90a3\u5c31\u8981\u6c42\u524d\u4e24\u4f4d\u7684\u548c\u80fd\u88ab3\u6574\u9664
\u524d\u4e24\u4f4d\u53ea\u80fd\u662f5\u548c7
\u8fd9\u6837\u7684\u4e09\u4f4d\u6570\u6709\uff1a
570\u548c750

4\u3002
\u80fd\u88ab11\u6574\u9664\u7684\u6570\uff0c\u5947\u6570\u4f4d\u7684\u6570\u5b57\u548c\uff0c\u4e0e\u5076\u6570\u4f4d\u6570\u5b57\u548c\u7684\u5dee\uff0c\u80fd\u88ab11\u6574\u9664\uff08\u5305\u62ec0\uff09
\u73b0\u5728\u53ea\u80fd\u662f(2+5)-(3+4)=0
\u6240\u4ee52,5\u540c\u5728\u5947\u6570\u4f4d\u6216\u5076\u6570\u4f4d
3,4\u540c\u5728\u5947\u6570\u4f4d\u6216\u5076\u6570\u4f4d
\u6ee1\u8db3\u8981\u6c42\u7684\u56db\u4f4d\u6570\uff0c\u4ece\u5927\u5230\u5c0f\uff0c\u4e3a\uff1a
5423,5324,4532,4235,3542,3245,2453,2354

5.
\u80fd\u88ab3\u6574\u9664\u7684\u6570\uff0c\u5404\u4f4d\u6570\u5b57\u4e4b\u548c\u80fd\u88ab3\u6574\u9664\u3002
\u4e2a\u4f4d\u6570\u5b576\u80fd\u88ab3\u6574\u9664\uff0c\u53ea\u8981\u6c42\u524d\u4e09\u4f4d\u80fd\u88ab3\u6574\u9664\u5373\u53ef\u3002
\u80fd\u88ab3\u6574\u9664\u7684\u4e09\u4f4d\u6570\uff0c\u6700\u5c0f\u4e3a102\uff0c\u6700\u5927\u4e3a999
\u4e00\u5171\u6709\uff1a\uff08999-102\uff09\u00f73+1=300\u4e2a
\u6240\u4ee5\u6ee1\u8db3\u8981\u6c42\u76844\u4f4d\u6570\uff0c\u5171\u6709300\u4e2a

6\u3002
\u6bcf\u4e2a\u56e0\u65705\u548c\u56e0\u65702\u7684\u4e58\u79ef\uff0c\u4f1a\u5728\u672b\u5c3e\u589e\u52a01\u4e2a0
\u8fde\u7eed\u7684\u81ea\u7136\u6570\u76f8\u4e58\uff0c\u5076\u6570\u8db3\u591f\u591a\uff0c\u5373\u56e0\u65702\u8db3\u591f\u591a\uff0c\u53ea\u9700\u8981\u8003\u8651\u56e0\u65705\u7684\u4e2a\u6570
\u672b\u5c3e\u670913\u4e2a0\uff0c\u90a3\u4e48\u8fd9\u4e9b\u8fde\u7eed\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u542b\u670913\u4e2a\u56e0\u65705
\u6bcf5\u4e2a\u8fde\u7eed\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u81f3\u5c11\u67091\u4e2a\u56e0\u65705
13*5=65
\u5176\u4e2d\uff0c25\u7684\u500d\u6570\uff0c\u542b\u67092\u4e2a\u56e0\u65705
1--65,25\u7684\u500d\u6570\u67092\u4e2a\uff0c\u6240\u4ee5\u591a\u4e862\u4e2a\u56e0\u65705
65\u542b\u6709\u4e00\u4e2a\uff0c60\u542b\u6709\u4e00\u4e2a
\u6240\u4ee5\u6700\u540e\u90a3\u4e2a\u81ea\u7136\u6570\uff0c\u6700\u5c0f\u5e94\u8be5\u662f55

7.
\u539f\u6765\u7684\u6210\u672c\u770b\u4f5c\u5355\u4f4d1\uff0c\u90a3\u4e48\u539f\u4ef7\u5c31\u662f\uff081\uff0b20\uff05\uff09\u00f780\uff05\uff1d150\uff05\u3002\u73b0\u5728\u7684\u6210\u672c\u662f150\uff05\u00d775\uff05\u00f7\uff081\uff0b25\uff05\uff09\uff1d90\uff05\uff0c\u6240\u4ee5\u6210\u672c\u964d\u4f4e\u4e8610\uff05\u3002
8.
\u539f\u6765\u4e24\u73ed\u603b\u6570\u76841\uff0d1/4\uff0d1/3\uff1d5/12\u662f30\u4eba\uff0c\u90a3\u4e48\u539f\u6765\u4e24\u4e2a\u73ed\u517130\u00f75/12\uff1d72\u4eba\uff0c\u65b0\u4e00\u73ed\u548c\u65b0\u4e8c\u73ed\u517172\uff0d30\uff1d42\u4eba\uff0c\u65b0\u4e8c\u73ed\u670942\u00f7\uff081\uff0b10\uff05\uff0b1\uff09\uff1d20\u4eba\uff0c\u65b0\u4e00\u73ed\u5c31\u662f42\uff0d20\uff1d22\u4eba
9.
\u7532\u8f66\u53bb\u65f6\u6bcf\u5c0f\u65f6\u884c300\u00f73\uff1d100\u5343\u7c73\uff0c\u8fd4\u56de\u65f6\u6bcf\u5c0f\u65f6\u884c300\u00f715/4\uff1d80\u5343\u7c73\u3002\u4e59\u8f669/2\u5c0f\u65f6\u884c\u7684\u8def\u7a0b\u76f8\u5f53\u4e8e\u7532\u8f66\u8fd4\u56de\u65f63\uff0b15/4\uff0d9/2\uff1d9/4\u5c0f\u65f6\u884c\u7684\uff0c\u4e59\u8f66\u6bcf\u5c0f\u65f6\u884c80\u00d79/4\u00f79/2\uff1d40\u5343\u7c73\u3002\u6240\u4ee5\u51fa\u53d1\u540e300\u00f7\uff08100\uff0b40\uff09\uff1d15/7\u5c0f\u65f6\u76f8\u9047\u3002
10.
4\u5206\u949f\u76f8\u5f53\u4e8e\u76f8\u9047\u65f6\u95f4\u76841\uff0d70/90\uff1d2/9\uff0c\u76f8\u9047\u65f6\u95f4\u662f4\u00f72/9\uff1d18\u5206\u949f\uff0c\u76f8\u9047\u65f6\u95f4\u662f\uff0852\uff0b70\uff09\u00d718\uff1d2196\u7c73
11.
\u505a3\u4e2a\u7532\u90e8\u4ef6\u9700\u89813/15\u4e2a\u4eba\uff0c2\u4e2a\u4e59\u90e8\u4ef6\u9700\u89812/12\u4e2a\u4eba\uff0c1\u4e2a\u4e19\u90e8\u4ef6\u9700\u89811/9\u4e2a\u4eba\u3002\u4eba\u6570\u7684\u6bd4\u5c31\u662f3/15\uff1a2/12\uff1a1/9\uff1d18\uff1a15\uff1a10\uff0c\u6309\u6bd4\u4f8b\u5206\u914d\u5c31\u662f\u7532\u90e8\u4ef6\u5b89\u639236\u4eba\uff0c\u4e59\u90e8\u4ef6\u5b89\u639230\u4eba\uff0c\u4e19\u90e8\u4ef6\u5b89\u639220\u4eba\u3002
12.
\u5982\u679c\u5973\u513f\u5728\u8001\u5730\u65b9\u7b49\uff0c\u90a3\u4e48\u5c31\u8981\u665a10\u5206\u949f\u56de\u5bb6\uff0c\u6700\u540e\u53ea\u665a\u4e863\u5206\u949f\uff0c\u8bf4\u660e\u7236\u4eb2\u5c11\u884c\u4e867\u5206\u949f\u7684\u8def\u3002\u5982\u679c\u7236\u4eb2\u8981\u884c\u5230\u8001\u5730\u65b9\uff0c\u5c31\u8fd8\u8981\u884c7\u00f72\uff1d3.5\u5206\u949f\uff0c\u8bf4\u660e\u6b64\u65f6\u6b64\u523b\u5df2\u7ecf\u6bd4\u5f80\u5e38\u665a\u4e8610\uff0d3.5\uff1d6.5\u5206\u949f\uff0c\u5973\u513f\u884c\u4e868\u5206\u949f\u4e4b\u540e\u624d\u6bd4\u5f80\u5e38\u665a6.5\u5206\u949f\uff0c\u5c31\u8bf4\u660e\u5973\u513f\u6bd4\u5e73\u65f6\u65e9\u51fa\u53d18\uff0d6.5\uff1d1.5\u5206\u949f\u3002
13.
\u9996\u51480\u53ea\u80fd\u5728\u4e2a\u4f4d\uff0c\u90a3\u4e48\u5269\u4e0b4\u4e2a\u4e2a\u4f4d\u6570\u5b57\uff0c\u5e76\u4e14\u5176\u548c\u662f\u5947\u6570\uff0c\u8fd9\u6837\u5c31\u662f\u4e24\u79cd\u60c5\u51b5\uff0c\u53ea\u67091\u4e2a\u5947\u6570\u6216\u8005\u67093\u4e2a\u5947\u6570\u3002\u8981\u4f7f\u548c\u5c3d\u53ef\u80fd\u5927\uff0c\u90a3\u4e48\u4e2a\u4f4d\u6570\u5b57\u8981\u5c3d\u53ef\u80fd\u5c0f\u3002\u5f531\u4e2a\u5947\u6570\u65f6\uff0c\u6700\u5c11\u662f0\uff0b1\uff0b2\uff0b4\uff0b6\uff1d13\uff0c\u5f533\u4e2a\u5947\u6570\u65f6\uff0c\u6700\u5c11\u662f0\uff0b1\uff0b2\uff0b3\uff0b5\uff1d11\uff0c\u6240\u4ee5\u8fd8\u662f\u7528\u540e\u9762\u8fd9\u4e2a\u529e\u6cd5\u3002\u4e2a\u4f4d\u7684\u548c\u662f11\uff0c\u5341\u4f4d\u7684\u6570\u5b57\u548c\u662f4\uff0b6\uff0b7\uff0b8\uff0b9\uff1d34\uff0c\u5373\u603b\u548c\u662f34\u00d710\uff0b11\uff1d351
14.
\u628a100\uff0d80\uff1d20\u5143\u7684\u6bcf1\u5143\u770b\u4f5c1\u4efd\uff0c20\u5143\u5c31\u662f20\u4efd\u3002\u9500\u91cf\u51cf\u5c1120\u4e2a\uff0c\u628a\u8fd920\u4e2a\u770b\u4f5c1\u4efd\uff0c\u90a3\u4e481000\u4e2a\u5c31\u662f50\u4efd\u3002\u5355\u4ef7\u6da81\u4efd\uff0c\u6570\u91cf\u5c31\u5c111\u4efd\uff0c\u5355\u4ef7\u548c\u6570\u91cf\u7684\u6570\u636e\u7684\u548c\u662f\u4e0d\u53d8\u7684\uff0c\u8981\u4f7f\u5355\u4ef7\u548c\u6570\u91cf\u7684\u79ef\u6700\u5927\uff0c\u5c31\u5f97\u8ba9\u4e24\u4e2a\u6570\u636e\u6700\u63a5\u8fd1\uff0c\u6240\u4ee5\u5f53\u4e24\u4e2a\u6570\u636e\u90fd\u662f\uff0850\uff0b20\uff09\u00f72\uff1d35\u4efd\u65f6\uff0c\u5373\u9ad8\u51fa35\uff0d20\uff1d15\u5143\u7684\u65f6\u5019\u3002\u5373\u5b9a\u4ef7\u4e3a100\uff0b15\uff1d115\u5143\u7684\u65f6\u5019\u83b7\u5f97\u7684\u5229\u6da6\u6700\u591a\u3002
15.
\u76f8\u9047\u540e\u7684\u901f\u5ea6\u6bd4\u662f[3\u00d7(1\uff0b20\uff05)]\uff1a[2\u00d7(1\uff0b30\uff05)]\uff1d18\uff1a13\uff0c\u7532\u884c\u5269\u4e0b\u76842\u4efd\u4e59\u5c31\u53ef\u4ee5\u884c2\u00d713/18\uff1d13/9\u4efd\u3002\u8fd8\u5dee3\uff0d13/9\uff1d14/9\u4efd\uff0c\u6240\u4ee5\u6bcf\u4efd\u662f14\u00f714/9\uff1d9\u5343\u7c73\uff0c\u90a3\u4e48AB\u7684\u8ddd\u79bb\u662f9\u00d7\uff083\uff0b2\uff09\uff1d45\u5343\u7c73




\u6211\u627e\u7684ok\uff1f

1.8/(2/5)=20天
2.240*(1/5)=48页 48*(5/8)=30页 48+30=78页
3.300*(1/5)=60页 60*(4/15)=16 页 60+16+1=77页
4.6/[(1/2)-(1/3)]=36页
5.[1-(6/7)]*4/(6/7)=2/3小时
6.220/[4(5+4+2)]=5 5*5=25cm 4*5=20cm 2*5=10cm 25*20*10=5000cm³
2*(25*20+25*20+20*20)=1900cm²
7.400/[(2/3)-(5/3)]=6000本
8.10/[(1/5)-(1/6)]=300cm
9.80/(4/5)=100 100*(3/4)=75
10.(4/3+3/4)/[(16/9)*(1/4)]=75/16
11.[32*60%+32]/60%=85又三分之一
12.20*2%+4=4.4
13.360*(2/3)-60=180个
14.(3/4)*[1/(1+2)]+2/5=0.65km
15.(9/10)/(5+1)=3/20m
16.10,11,12,13,14,15
17.200*[1/(1+24)]=8g 8/[1/(29+1)]=240g 240-200=40g

1,8/(5/2)=20(天)
2,(1/5+1/5*5/8)*240=78(页)
3.(1/5+1/5*4/15)*300+1=77(页)
4.6/(1/2-1/3)36(页)
5.4/(6/7)-4=2/3(时)
6.220/[4(5+4+2)]=5 5*5=25cm 4*5=20cm 2*5=10cm 25*20*10=5000cm³
2*(25*20+25*20+20*20)=1900cm²
7.400/[(2/3)-(5/3)]=6000本
8.10/[(1/5)-(1/6)]=300cm
9.80/(4/5)=100 100*(3/4)=75
10.(4/3+3/4)/[(16/9)*(1/4)]=75/16
11.[32*60%+32]/60%=85又三分之一
12.20*2%+4=4.4
13.360*(2/3)-60=180个
14.(3/4)*[1/(1+2)]+2/5=0.65km
15.(9/10)/(5+1)=3/20m
16.10,11,12,13,14,15
17.200*[1/(1+24)]=8g 8/[1/(29+1)]=240g 240-200=40g

1.20天
2.45.5页
3.第77页
4.36页
5.1/28
6.
7.
8.60
9.75
10.225/48
11.256/3
12.4.4
13.180
14.0.7m

1、3000乘以2/5再除以8得150,再用3000除以150=20
2、78
3、67
4,、36
5、4/7
6、5000,1900
7、2000
9、75
10、75/16
11、112/3
12、8
13、180
14、13/20
15、0.15
16、10
17、32

1、20
2、78
3、77
4、36
5、2/3
6、5000立方厘米1900平方厘米
7、6000
8、70cm
9、75
10、75/256 75/16
11、256/3
12、4.4
13、180
14、13/20
15、3/20
16、5 6 7 8 9
17、40

1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
36+59+41+54

23×7+23×3

1462-369-631

60506-19460÷35

23072÷412×65

184×38+116×38-11300

(79691-46354)÷629

325÷13×(266-250)

74+100÷5×3

(440-280)×(300-260)

100+25×3-90

12)90÷2+136

70×74+100÷5

38+116×7+23

369-(631 ÷5)×3
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
.6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 x99

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