什么是和差应用题,请列出十道 四年级和差问题10道答案
\u8bf7\u6559\u56db\u5e74\u7ea7\u6570\u5b66\u548c\u500d\uff0c\u548c\u5dee\uff0c\u5dee\u500d\u5404\u5341\u9053.\u6709\u7b54\u6848.\u5206\u6790\u548c\u5dee\u95ee\u9898\uff1a\u5df2\u77e5\u5927\u5c0f\u4e24\u4e2a\u6570\u7684\u548c\uff0c\u4ee5\u53ca\u4ed6\u4eec\u7684\u5dee\uff0c\u6c42\u8fd9\u4e24\u4e2a\u6570\u5404\u662f\u591a\u5c11\u7684\u5e94\u7528\u9898\u53eb\u505a\u548c\u5dee\u95ee\u9898\u3002
\u89e3\u9898\u5173\u952e\uff1a\u662f\u628a\u5927\u5c0f\u4e24\u4e2a\u6570\u7684\u548c\u8f6c\u5316\u6210\u4e24\u4e2a\u5927\u6570\u7684\u548c\uff08\u6216\u4e24\u4e2a\u5c0f\u6570\u7684\u548c\uff09\uff0c\u7136\u540e\u518d\u6c42\u53e6\u4e00\u4e2a\u6570\u3002
\u89e3\u9898\u89c4\u5f8b\uff1a\uff08\u548c\uff0b\u5dee\uff09\u00f72 = \u5927\u6570 \u5927\u6570\uff0d\u5dee=\u5c0f\u6570 \uff08\u548c\uff0d\u5dee\uff09\u00f72=\u5c0f\u6570 \u548c\uff0d\u5c0f\u6570= \u5927\u6570
\u4f8b\u5b50\uff1a\u67d0\u52a0\u5de5\u5382\u7532\u73ed\u548c\u4e59\u73ed\u5171\u6709\u5de5\u4eba 94 \u4eba\uff0c\u56e0\u5de5\u4f5c\u9700\u8981\u4e34\u65f6\u4ece\u4e59\u73ed\u8c03 46 \u4eba\u5230\u7532\u73ed\u5de5\u4f5c\uff0c\u8fd9\u65f6\u4e59\u73ed\u6bd4\u7532\u73ed\u4eba\u6570\u5c11 12 \u4eba\uff0c\u6c42\u539f\u6765\u7532\u73ed\u548c\u4e59\u73ed\u5404\u6709\u591a\u5c11\u4eba\uff1f
\u5206\u6790\uff1a\u4ece\u4e59\u73ed\u8c03 46 \u4eba\u5230\u7532\u73ed\uff0c\u5bf9\u4e8e\u603b\u6570\u6ca1\u6709\u53d8\u5316\uff0c\u73b0\u5728\u628a\u4e59\u6570\u8f6c\u5316\u6210 2 \u4e2a\u4e59\u73ed\uff0c\u5373 9 4 \uff0d 12 \uff0c\u7531\u6b64\u5f97\u5230\u73b0\u5728\u7684\u4e59\u73ed\u662f\uff08 9 4 \uff0d 12 \uff09\u00f7 2=41 \uff08\u4eba\uff09\uff0c\u4e59\u73ed\u5728\u8c03\u51fa 46 \u4eba\u4e4b\u524d\u5e94\u8be5\u4e3a 41+46=87 \uff08\u4eba\uff09\uff0c\u7532\u73ed\u4e3a 9 4 \uff0d 87=7 \uff08\u4eba\uff09
\u548c\u500d\u95ee\u9898\uff1a\u5df2\u77e5\u4e24\u4e2a\u6570\u7684\u548c\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u500d\u6570 \u5173\u7cfb\uff0c\u6c42\u4e24\u4e2a\u6570\u5404\u662f\u591a\u5c11\u7684\u5e94\u7528\u9898\uff0c\u53eb\u505a\u548c\u500d\u95ee\u9898\u3002
\u89e3\u9898\u5173\u952e\uff1a\u627e\u51c6\u6807\u51c6\u6570\uff08\u53731\u500d\u6570\uff09\u4e00\u822c\u8bf4\u6765\uff0c\u9898\u4e2d\u8bf4\u662f\u201c\u8c01\u201d\u7684\u51e0\u500d\uff0c\u628a\u8c01\u5c31\u786e\u5b9a\u4e3a\u6807\u51c6\u6570\u3002\u6c42\u51fa\u500d\u6570\u548c\u4e4b\u540e\uff0c\u518d\u6c42\u51fa\u6807\u51c6\u7684\u6570\u91cf\u662f\u591a\u5c11\u3002\u6839\u636e\u53e6\u4e00\u4e2a\u6570\uff08\u4e5f\u53ef\u80fd\u662f\u51e0\u4e2a\u6570\uff09\u4e0e\u6807\u51c6\u6570\u7684\u500d\u6570\u5173\u7cfb\uff0c\u518d\u53bb\u6c42\u53e6\u4e00\u4e2a\u6570\uff08\u6216\u51e0\u4e2a\u6570\uff09\u7684\u6570\u91cf\u3002
\u89e3\u9898\u89c4\u5f8b\uff1a\u548c\u00f7\u500d\u6570\u548c=\u6807\u51c6\u6570 \u6807\u51c6\u6570\u00d7\u500d\u6570=\u53e6\u4e00\u4e2a\u6570
\u4f8b\u5b50\uff1a\u6c7d\u8f66\u8fd0\u8f93\u573a\u6709\u5927\u5c0f\u8d27\u8f66 115 \u8f86\uff0c\u5927\u8d27\u8f66\u6bd4\u5c0f\u8d27\u8f66\u7684 5 \u500d\u591a 7 \u8f86\uff0c\u8fd0\u8f93\u573a\u6709\u5927\u8d27\u8f66\u548c\u5c0f\u6c7d\u8f66\u5404\u6709\u591a\u5c11\u8f86\uff1f
\u5206\u6790\uff1a\u5927\u8d27\u8f66\u6bd4\u5c0f\u8d27\u8f66\u7684 5 \u500d\u8fd8\u591a 7 \u8f86\uff0c\u8fd9 7 \u8f86\u4e5f\u5728\u603b\u6570 115 \u8f86\u5185\uff0c\u4e3a\u4e86\u4f7f\u603b\u6570\u4e0e\uff08 5+1 \uff09\u500d\u5bf9\u5e94\uff0c\u603b\u8f66\u8f86\u6570\u5e94\uff08 115-7 \uff09\u8f86 \u3002
\u5217\u5f0f\u4e3a\uff08 115-7 \uff09\u00f7\uff08 5+1 \uff09 =18 \uff08\u8f86\uff09\uff0c 18 \u00d7 5+7=97 \uff08\u8f86\uff09
\u5dee\u500d\u95ee\u9898\uff1a\u5df2\u77e5\u4e24\u4e2a\u6570\u7684\u5dee\uff0c\u53ca\u4e24\u4e2a\u6570\u7684\u500d\u6570\u5173\u7cfb\uff0c\u6c42\u4e24\u4e2a\u6570\u5404\u662f\u591a\u5c11\u7684\u5e94\u7528\u9898\u3002 \u89e3\u9898\u89c4\u5f8b\uff1a\u4e24\u4e2a\u6570\u7684\u5dee\u00f7\uff08\u500d\u6570\uff0d1 \uff09= \u6807\u51c6\u6570 \u6807\u51c6\u6570\u00d7\u500d\u6570=\u53e6\u4e00\u4e2a\u6570\u3002
\u4f8b\u5b50\uff1a\u7532\u4e59\u4e24\u6839\u7ef3\u5b50\uff0c\u7532\u7ef3\u957f63 \u7c73\uff0c\u4e59\u7ef3\u957f29 \u7c73\uff0c\u4e24\u6839\u7ef3\u526a\u53bb\u540c\u6837\u7684\u957f\u5ea6\uff0c\u7ed3\u679c\u7532\u6240\u5269\u7684\u957f\u5ea6\u662f\u4e59\u7ef3 \u957f\u7684 3 \u500d\uff0c\u7532\u4e59\u4e24\u7ef3\u6240\u5269\u957f\u5ea6\u5404\u591a\u5c11\u7c73\uff1f \u5404\u51cf\u53bb\u591a\u5c11\u7c73\uff1f
\u5206\u6790\uff1a\u4e24\u6839\u7ef3\u5b50\u526a\u53bb\u76f8\u540c\u7684\u4e00\u6bb5\uff0c\u957f\u5ea6\u5dee\u6ca1\u53d8\uff0c\u7532\u7ef3\u6240\u5269\u7684\u957f\u5ea6\u662f\u4e59\u7ef3\u7684 3\u500d\uff0c\u5b9e\u6bd4\u4e59\u7ef3\u591a\uff08 3-1 \uff09\u500d\uff0c\u4ee5\u4e59\u7ef3\u7684\u957f\u5ea6\u4e3a\u6807\u51c6\u6570\u3002\u5217\u5f0f\uff08 63-29 \uff09\u00f7\uff08 3-1\uff09 =17 \uff08\u7c73\uff09\u2026\u4e59\u7ef3\u5269\u4e0b\u7684\u957f\u5ea6\uff0c 17 \u00d7 3=51 \uff08\u7c73\uff09\u2026\u7532\u7ef3\u5269\u4e0b\u7684\u957f\u5ea6\uff0c 29-17=12 \uff08\u7c73\uff09\u2026\u526a\u53bb\u7684\u957f\u5ea6\u3002
1. \u4e00\u73ed\u548c\u4e8c\u73ed\u7684\u540c\u5b66\u53bb\u79cb\u6e38\uff0c\u4e00\u73ed48\u4eba\uff0c\u4e8c\u73ed53\u4eba\uff0c\u540c\u5b66\u4e58\u8f66\u6bcf\u4eba\u8f66\u8d393\u5143\uff0c\u4e8c\u73ed\u6bd4\u4e00\u73ed\u591a\u4ed8 \u5143\uff1f
2. \u7532\u3001\u4e59\u4e24\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f75\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f450\uff0e\u82e5\u5b83\u4eec\u7684\u5dee\u6700\u5c0f\uff0c\u5219\u4e24\u4e2a\u6570\u4e3a______\u548c______\uff0e
3. \u5728\u67d0\u6821\u5468\u957f400\u7c73\u7684\u73af\u5f62\u8dd1\u9053\u4e0a\uff0c\u6bcf\u96948\u7c73\u63d2\u4e00\u9762\u7ea2\u65d7\uff0c\u7136\u540e\u5728\u76f8\u90bb\u4e24\u9762\u7ea2\u65d7\u4e4b\u95f4\u6bcf\u96942\u7c73\u63d2\u4e00\u9762\u9ec4\u65d7\uff0c\u5e94\u51c6\u5907\u7ea2\u65d7______\u9762\uff0c\u9ec4\u65d7______\u9762\uff0e
4. \u660e\u660e\u661f\u671f\u5929\u4e0a\u8857\u4e70\u8863\u670d\uff0c\u82b175\u5143\u94b1\u4e70\u4e86\u4e00\u6761\u88e4\u5b50\u548c\u4e00\u4ef6\u4e0a\u8863\uff0c\u5df2\u77e5\u4e0a\u8863\u6bd4\u88e4\u5b50\u8d3515\u5143\uff0c\u660e\u660e\u4e70\u4e0a\u8863\u82b1 \u5143\uff0e
5. \u5c0f\u6885\u4e0e\u5f20\u82b3\u4eca\u5e74\u7684\u5e74\u9f84\u548c\u662f39\u5c81\uff0c\u5c0f\u6885\u6bd4\u5f20\u82b3\u59273\u5c81\uff0c\u5f20\u82b3\u4eca\u5e74 \u5c81\uff0e
6. \u4e70\u4e00\u652f\u81ea\u52a8\u94c5\u7b14\u4e0e\u4e00\u652f\u94a2\u7b14\u5171\u752810\u5143\uff0c\u5df2\u77e5\u94c5\u7b14\u6bd4\u94a2\u7b14\u4fbf\u5b9c6\u5143\uff0c\u90a3\u4e48\u4e70\u94c5\u7b14\u82b1 \u5143\uff0c\u4e70\u94a2\u7b14\u82b1 \u5143\uff0e
7. \u4e24\u4e2a\u6570\u7684\u548c\u4e3a36\uff0c\u5dee\u4e3a22\uff0c\u5219\u8f83\u5927\u7684\u6570\u4e3a \uff0c\u8f83\u5c0f\u7684\u6570\u4e3a \uff0e
8. \u5c0f\u519b\u548c\u4ed6\u7238\u7238\u4eca\u5e74\u7684\u5e74\u9f84\u4e4b\u548c\u662f42\u5c81\uff0c\u5e74\u9f84\u4e4b\u5dee\u662f26\u5c81\uff0e\u5c0f\u519b\u4eca\u5e74 \u5c81\uff0c\u4ed6\u7238\u7238\u4eca\u5e74 \u5c81\uff0e
9. \u4e09\u5e74\u7ea7\u4e00\u73ed\u6709\u5b66\u751f49\u4eba\uff0c\u5176\u4e2d\u5973\u751f\u6bd4\u7537\u751f\u5c115\u4eba\uff0e\u8fd9\u4e2a\u73ed\u7537\u751f\u6709 \u4eba\uff0c\u5973\u751f\u6709 \u4eba\uff0e
10. \u65b9\u65b9\u548c\u5706\u5706\u5171\u6709\u56fe\u4e6670\u672c\uff0c\u5982\u679c\u65b9\u65b9\u7ed9\u5706\u57065\u672c\uff0c\u90a3\u4e48\u5706\u5706\u5c31\u6bd4\u65b9\u65b9\u591a4\u672c\uff0e\u95ee\uff1a\u65b9\u65b9\u539f\u6765\u6709\u56fe\u4e66 \u672c\uff0c\u5706\u5706\u539f\u6765\u6709\u56fe\u4e66 \u672c\uff0e
11. \u7532\u7684\u4e66\u6bd4\u4e59\u591a9\u672c\uff0c\u6bd4\u4e19\u591a2\u672c\uff0c\u4e59\u3001\u4e19\u5171\u6709\u4e6647\u672c\uff0e\u95ee\uff1a\u7532\u6709 \u672c\u4e66\u3001\u4e59\u6709 \u672c\u4e66\u3001\u4e19\u6709 \u672c\u4e66\uff0e
12. \u67d0\u6587\u5177\u5e97\u5171\u6709\u94a2\u7b14\u548c\u5706\u73e0\u7b14140\u652f\uff0c\u94a2\u7b14\u6bd4\u5706\u73e0\u7b14\u591a10\u652f\uff0c\u94a2\u7b14\u6709 \u652f\uff0c\u5706\u73e0\u7b14\u6709 \u652f\uff0e
13. \u4e24\u5c42\u4e66\u67b6\u5171124\u672c\u4e66\uff0c\u5982\u679c\u4ece\u4e0b\u5c42\u53d68\u672c\u4e66\u653e\u5230\u4e0a\u5c42\u53bb\uff0c\u5219\u4e24\u5c42\u4e66\u7684\u672c\u6570\u5c31\u76f8\u7b49\uff0c\u5219\u4e0a\u5c42\u539f\u6765\u6709\u4e66 \u672c\uff0c\u4e0b\u5c42\u539f\u6765\u6709\u4e66 \u672c\uff0e
14. \u5c0f\u661f\u548c\u5c0f\u5170\u5171\u6709\u94c5\u7b1425\u652f\uff0c\u5982\u679c\u5c0f\u661f\u7528\u53bb4\u652f\uff0c\u5c0f\u5170\u7528\u53bb3\u652f\uff0c\u90a3\u4e48\u5c0f\u661f\u8fd8\u6bd4\u5c0f\u5170\u591a2\u652f\uff0c\u5c0f\u661f\u539f\u6709\u94c5\u7b14 \u652f\uff0c\u5c0f\u5170\u539f\u6709\u94c5\u7b14 \u652f\uff0e
15. \u4e24\u4e2a\u6570\u7684\u548c\u662f1980\uff0c\u4ece\u7532\u6570\u4e2d\u51cf\u53bb285\u52a0\u5230\u4e59\u6570\u4e0a\uff0c\u4e59\u6570\u8fd8\u6bd4\u7532\u6570\u5c1124\uff0c\u5219\u7532\u6570\u662f \uff0c\u4e59\u6570\u662f .
\u548c\u5dee\u95ee\u98981
\u7b54\u6848\u5377
1. 15
\u89e3\uff1a(53-48)\u00d73 = 15\uff08\u5143\uff09\uff0e
2. 225\uff0c150
\u89e3\uff1a\u56e0450\u00f775=6\uff0c\u6240\u4ee5\u6700\u5927\u516c\u7ea6\u6570\u4e3a75\uff0c\u6700\u5c0f\u516c\u500d\u6570\u662f450\u7684\u4e24\u6574\u6570\u670975\u00d76\uff0c75\u00d71\u548c75\u00d73\uff0c75\u00d72\u4e24\u7ec4\uff0c\u7ecf\u6bd4\u8f83\u540e\u4e00\u79cd\u5dee\u8f83\u5c0f\uff0c\u5373225\u548c150\u4e3a\u6240\u6c42\uff0e
3. 50\u3001150
\u89e3\uff1a400\u00f78 = 50\uff08\u9762\uff09\uff0c8\u00f72-1 = 3\uff08\u9762\uff09\uff0c3\u00d750 = 150\uff08\u9762\uff09\uff0e
4. 45
\u89e3\uff1a\u5047\u8bbe\u88e4\u5b50\u548c\u4e0a\u8863\u4ef7\u94b1\u76f8\u540c\uff0c\u5219\u5e94\u82b175+15 = 90(\u5143)\uff0c\u8fd9\u662f\u4e24\u4ef6\u4e0a\u8863\u7684\u4ef7\u94b1\uff0c\u4e00\u4ef6\u4e0a\u8863\u662f90\u00f72 = 45(\u5143).
\u7b54\uff1a\u660e\u660e\u4e70\u4e0a\u8863\u82b145\u5143\uff0e
5. 18
\u89e3\uff1a\u5047\u8bbe\u5c0f\u6885\u4e0e\u5f20\u82b3\u4e00\u6837\u5927\uff0c\u5219\u4ed6\u4eec\u4eca\u5e74\u7684\u5e74\u9f84\u548c\u5e94\u662f39-3=36(\u5c81)\uff0c\u8fd9\u662f\u5f20\u82b3\u5e74\u9f84\u76842\u500d\uff0c
\u5f20\u82b3\u5e74\u9f84\u662f36\u00f72 = 18(\u5c81)\uff0e
\u7b54\uff1a\u5f20\u82b3\u4eca\u5e7418\u5c81\uff0e
6. 2\uff0c8
\u89e3\uff1a\u89e3\u6cd5\u4e00\uff1a\u5047\u8bbe\u94c5\u7b14\u4e0e\u94a2\u7b14\u4ef7\u94b1\u76f8\u540c\uff0c\u4e70\u4e00\u652f\u94c5\u7b14\u4e00\u652f\u94a2\u7b14\u5e94\u82b110+6=16(\u5143)\u8fd9\u662f\u4e24\u652f\u94a2\u7b14\u7684\u4ef7\u94b1\uff0c\u4e00\u652f\u94a2\u7b14\u82b116\u00f72 = 8(\u5143)\uff0c\u5219\u4e00\u652f\u94c5\u7b14\u82b18-6=2(\u5143)\u621610-8=2(\u5143)\uff0e
\u7b54\uff1a\u4e00\u652f\u94c5\u7b142\u5143\uff0c\u4e00\u652f\u94a2\u7b148\u5143\uff0e
\u89e3\u6cd5\u4e8c\uff1a\u5047\u8bbe\u94a2\u7b14\u4e0e\u94c5\u7b14\u4ef7\u94b1\u76f8\u540c\uff0c\u4e70\u4e00\u652f\u94c5\u7b14\u4e00\u652f\u94a2\u7b14\u5e94\u82b110-6=4(\u5143)\uff0c\u8fd9\u662f\u4e24\u652f\u94c5\u7b14\u7684\u4ef7\u94b1\uff0c\u4e00\u652f\u94c5\u7b14\u82b14\u00f72 = 2(\u5143)\uff0c\u5219\u4e00\u652f\u94a2\u7b14\u82b12+6=8(\u5143)\u621610-2=8(\u5143)\uff0e
\u7b54\uff1a\u4e00\u652f\u94c5\u7b142\u5143\uff0c\u4e00\u652f\u94a2\u7b148\u5143\uff0e
7. 29\uff0c7
\u89e3\uff1a\u8f83\u5927\u6570= (36+22)\u00f72 = 29
\u8f83\u5c0f\u6570= (36-22)\u00f72 = 7
8. 8\uff0c34
\u5206\u6790\uff1a\u4e0e\u548c\u5dee\u95ee\u9898\u7684\u57fa\u672c\u6570\u5b66\u683c\u5f0f\u5bf9\u6bd4\u77e5\uff0c\u5982\u679c\u628a\u7238\u7238\u7684\u5c81\u6570\u770b\u6210\u201c\u5927\u6570\u201d\uff0c\u5c0f\u519b\u7684\u5c81\u6570\u770b\u6210\u201c\u5c0f\u6570\u201d\uff0c\u90a3\u4e48\u5b83\u4eec\u7684\u548c\u4e3a42\uff0c\u5dee\u4e3a26\uff0e\u7531\u548c\u5dee\u516c\u5f0f\u53ef\u4ee5\u6c42\u89e3\uff0e
\u89e3\uff1a\u7238\u7238\u7684\u5c81\u6570= (42+26)\u00f72 = 34(\u5c81)\uff0c
\u5c0f\u519b\u7684\u5c81\u6570= (42-26)\u00f72 = 8(\u5c81)\uff0e
\u7b54\uff1a\u4eca\u5e74\u5c0f\u519b8\u5c81\uff0c\u7238\u723834\u5c81\uff0e
9. 27\uff0c22
\u89e3\uff1a\u7537\u751f(49+5)\u00f72 = 27(\u4eba)\uff0c
\u5973\u751f 49-27=22(\u4eba)\uff0e
\u7b54\uff1a\u7537\u751f27\u4eba\uff0c\u5973\u751f22\u4eba\uff0e
10. 38\uff0c32
\u5206\u6790\uff1a\u65b9\u65b9\u7ed9\u5706\u57065\u672c\u540e\uff0c\u4e24\u4eba\u5171\u6709\u56fe\u4e6670\u672c\uff0c\u5706\u5706\u6bd4\u65b9\u65b9\u591a4\u672c\uff0e\u8fd9\u662f\u5178\u578b\u7684\u548c\u5dee\u95ee\u9898\uff0e\u6c42\u51fa\u6b64\u65f6\u4e24\u4eba\u5404\u591a\u5c11\u672c\u4e66\u540e\uff0c\u5c31\u53ef\u4ee5\u6c42\u51fa\u539f\u6765\u4e24\u4eba\u5404\u6709\u591a\u5c11\u4e66\uff0e
\u89e3\uff1a\u5982\u679c\u65b9\u65b9\u7ed9\u5706\u57065\u672c\uff0c\u90a3\u4e48\u5706\u5706\u5c31\u6709
(70+4)\u00f72=37(\u672c)\uff0c
\u6240\u4ee5\uff0c\u539f\u6765\u5706\u5706\u670937-5=32(\u672c)\uff0c\u65b9\u65b9\u670970-32=38(\u672c)\uff0e
\u7b54\uff1a\u65b9\u65b9\u670938\u672c\uff0c\u5706\u5706\u670932\u672c\uff0e
11. 29\uff0c20\uff0c27
\u5206\u6790\uff1a\u548c\u5dee\u95ee\u9898\u662f\u6307\u4e24\u4e2a\u6570\u7684\u548c\u4e0e\u5dee\uff0c\u73b0\u5728\u51fa\u73b0\u4e86\u4e09\u4e2a\u6570\uff0c\u9700\u8981\u5316\u4e3a\u4e24\u4e2a\u6570\u7684\u548c\u5dee\u95ee\u9898\uff0e\u56e0\u4e3a\u201c\u7532\u7684\u4e66\u6bd4\u4e59\u591a9\u672c\uff0c\u6bd4\u4e19\u591a2\u672c\u201d\uff0c\u8bf4\u660e\u4e59\u7684\u4e66\u6bd4\u4e19\u5c119-2 = 7(\u672c)\uff0e\u7531\u201c\u4e59\u3001\u4e19\u5171\u6709\u4e6647\u672c\u201d\uff0c\u4e59\u6bd4\u4e19\u5c117\u672c\uff0c\u53ef\u7528\u548c\u5dee\u516c\u5f0f\u6c42\u89e3\uff0e
\u89e3\uff1a\u4e59\u6709\u4e66 [47-(9-2)]\u00f72 = 20(\u672c)\uff0c
\u4e19\u6709\u4e66 47-20=27(\u672c)\uff0c
\u7532\u6709\u4e66 20+9=29(\u672c)\uff0e
\u7b54\uff1a\u7532\u670929\u672c\uff0c\u4e59\u670920\u672c\uff0c\u4e19\u670927\u672c\uff0e
12. 75\uff0c65
\u89e3\uff1a\u56e0\u4e3a\u94a2\u7b14\u6bd4\u5706\u73e0\u7b14\u591a10\u652f\uff0c\u53ef\u4ee5\u5148\u4ece\u94a2\u7b14\u91cc\u51cf\u53bb\u591a\u768410\u652f\uff08\u4e5f\u5c31\u662f\u4ece\u4e24\u79cd\u7b14\u7684\u548c140\u652f\u91cc\u51cf\u53bb10\u652f\uff09\u4f7f\u4e24\u79cd\u7b14\u7684\u652f\u6570\u76f8\u7b49\uff0c\u4e3a\u201c\u5e73\u5747\u5206\u62102\u4efd\u201d\u5177\u5907\u6761\u4ef6\uff0c\u5176\u4e2d1\u4efd\u662f\u5706\u73e0\u7b14\uff0c\u53e6\u4e00\u4efd\u589e\u52a0\u5047\u8bbe\u51cf\u5c11\u768410\u652f\u662f\u94a2\u7b14\uff0e
(140-10)\u00f72 = 130\u00f72 = 65\uff08\u652f\uff09 65+10 = 75\uff08\u652f\uff09
\u672c\u9898\u4e5f\u53ef\u4ee5\u8fd9\u6837\u60f3\uff1a\u5047\u8bbe\u5706\u73e0\u7b14\u589e\u52a010\u652f\uff0c\u90a3\u4e48\u4e24\u79cd\u7b14\u7684\u652f\u6570\u76f8\u7b49\uff0c\u53c8\u53ef\u4ee5\u201c\u5e73\u5747\u5206\u6210\u4e24\u4efd\u201d\u4e86\uff0c\u5176\u4e2d\u4e00\u4efd\u662f\u94a2\u7b14\uff0c\u53e6\u4e00\u4efd\u51cf\u53bb\u5047\u8bbe\u589e\u52a0\u768410\u652f\u662f\u5706\u73e0\u7b14\uff0e
(140+10)\u00f72 = 75\uff08\u652f\uff09 75-10 = 65\uff08\u652f\uff09
\u7b54\uff1a\u94a2\u7b14\u662f75\u652f\uff0c\u5706\u73e0\u7b14\u662f65\u652f\uff0e
13. 54\uff0c70
\u89e3\uff1a\u4e0b\u5c42\u53d6\u51fa8\u672c\uff0c\u800c\u4e0a\u5c42\u653e\u8fdb8\u672c\u4ee5\u540e\uff0c\u4e0a\u4e0b\u5c42\u4e66\u7684\u672c\u6570\u76f8\u7b49\uff0c\u56e0\u6b64\uff0c\u672a\u53d6\u4e66\u4e4b\u524d\uff0c\u539f\u6765\u4e24\u5c42\u4e66\u7684\u672c\u6570\u76f8\u5dee16\u672c\uff0c\uff088\u672c+8\u672c\uff09\u77e5\u9053\u4e86\u4e24\u5c42\u4e66\u672c\u6570\u7684\u5dee\uff0c\u53c8\u77e5\u9053\u4e86\u5b83\u4eec\u7684\u548c\uff0c\u8981\u6c42\u8fd9\u4e24\u4e2a\u6570\uff0c\u6309\u7167\u548c\u5dee\u95ee\u9898\u89e3\uff0e
(124+8+8)\u00f72 = 140\u00f72 = 70\uff08\u672c\uff09 124-70 = 54\uff08\u672c\uff09
\u672c\u9898\u4e5f\u53ef\u4ee5\u8fd9\u6837\u601d\u8003\uff1a\u56e0\u4e3a\u4e0b\u5c42\u53d6\u51fa8\u672c\u4e66\u653e\u5230\u4e0a\u5c42\u53bb\uff0c\u4e24\u5c42\u4e66\u7684\u672c\u6570\u76f8\u7b49\uff0c\u8fd9\u6837\u5c31\u4e3a\u201c\u5e73\u5747\u5206\u62102\u4efd\u201d\uff0c\u5177\u5907\u4e86\u6761\u4ef6\uff0c\u8fd9\u65f6\u6bcf\u4efd\u7684\u672c\u6570\u662f\u4e0a\u5c42\u589e\u52a08\u672c\u540e\u7684\u672c\u6570\u6216\u4e0b\u5c42\u53d6\u51fa8\u672c\u540e\u7684\u672c\u6570\uff0e
124\u00f72 = 62\uff08\u672c\uff09 62-8 = 54\uff08\u672c\uff09\u2026\u4e0a\u5c42\u4e66\u6570 62+8 = 70\uff08\u672c\uff09\u2026\u4e0b\u5c42\u4e66\u6570
\u7b54\uff1a\u539f\u6765\u4e0a\u5c42\u670954\u672c\uff0c\u4e0b\u5c42\u670970\u672c\uff0e
14. 14\uff0c11
\u89e3\uff1a\u3010\u601d\u8def\u6216\u89e3\u6cd5\u3011
\u5c0f\u661f\u7528\u53bb4\u652f\u540e\u6240\u5269\u7684\u94c5\u7b14\uff0c\u6bd4\u5c0f\u5170\u7528\u53bb3\u652f\u540e\u6240\u5269\u7684\u94c5\u7b14\u591a2\u652f\uff0c\u6240\u4ee5\uff0c\u5c0f\u661f\u539f\u6709\u7684\u94c5\u7b14\uff0c\u6bd4\u5c0f\u5170\u7528\u53bb3\u652f\u540e\u6240\u5269\u7684\u94c5\u7b14\u591a2+4=6\uff08\u652f\uff09\uff1b\u4ece\u800c\u5c0f\u661f\u539f\u6709\u7684\u94c5\u7b14\u6bd4\u5c0f\u5170\u539f\u6709\u7684\u94c5\u7b14\u591a6-3=3\uff08\u652f\uff09\u3002\u8fd9\u6837\u5229\u7528\u516c\u5f0f\u5373\u53ef\u89e3\u51fa\u3002
[25\uff0b\uff082\uff0b4\uff0d3\uff09]\u00f72
=[25\uff0b3]\u00f72
=28\u00f72
=14\uff08\u652f\uff09
25\uff0d4 = 11\uff08\u652f\uff09
\u7b54\uff1a\u5c0f\u661f\u539f\u6709\u94c5\u7b1414\u652f\uff1b\u5c0f\u5170\u539f\u6709\u94c5\u7b1411\u652f\u3002
15. 1287\uff0c693
\u89e3\uff1a\u7531\u201c\u4ece\u7532\u6570\u51cf\u53bb285\u52a0\u5230\u4e59\u6570\u4e0a\uff0e\u4e59\u6570\u8fd8\u6bd4\u7532\u6570\u5c1124\u201d\u77e5\uff0c\u7532\u6570\u539f\u6765\u6bd4\u4e59\u6570\u591a285\u00d72+24\uff0e\u636e\u6b64\u53ef\u5206\u6b65\u6c42\u51fa\u7ed3\u679c\uff1a
(1980-285\u00d72-24)\u00f72
=1386\u00f72
=693
1980-693=1287
\u7b54\uff1a\u7532\u6570\u662f1287\uff0c\u4e59\u6570\u662f693\uff0e
和差问题应用题
1、爸爸买回算术本语文本共30本,已知算术本比语文本多4本,问爸爸买回的算术本和语文本各有多少本?
2、甲、乙两个仓库共存大米60吨,如果从甲仓库运6吨大米到乙仓库,两个仓库的大米吨数正好相等,求原来两个仓库各有大米多少吨?
3、甲、乙两箱共有水果50千克,若从甲箱中取6千克放到乙箱中,这时甲箱还比乙箱多2千克,求两箱原有水果各多少千克?
4、康藏公路和青藏公路共长4355千米,康藏公路比青藏公路长155千米。两条公路各长多少千米?
5、甲筐里有桃30千克,乙筐里装的杏。如果从乙筐里取出12千克杏,桃就比杏多10千克。问乙筐里原来有杏多少千克?
6、一个顾客买6瓶酒,每瓶付1.3元,退空瓶时,售货员说,每只瓶比酒钱少1.1元,顾客退回的瓶钱多少元?
7、有甲、乙、丙三袋化肥,甲、乙两袋共重32千克,乙、丙两袋共重30千克,甲、丙两袋共重22千克。甲袋重多少千克?乙袋重多少千克?丙袋重多少千克?
8、某工厂将875元奖金分别给创造发明的三名优秀工人。第一名比第二名多得250元,第二名比第三名多得125元,三名优秀工人各得多少元?
9、六年级有四个班,不算甲班,其余三个班的总人数是131人,不算丁班,其余三个班的总人数是134人,乙、丙两班的总人数比甲、丁两班的总人数少1人,四个班的总人数是多少人?
10、东西两仓库共存米650吨,如果每天由东仓库运出4吨给西仓库,10天后两仓库存米相等。东、西仓库原存米各多少吨?
11、A、B、C之和是65,A比B大5,B比C大9,A、B、C各是多少?
12、下面有三个加法等式,当正方形、三角形、圆形符号各代表什么数时,才能使等式成立。
□ +□+△+○=16
□ +△+△+○=13
□ +△+○+○=11
13、 有50名学生参加联欢会。第一个到会的女生同全部男生握过手,第二个到会的女生只差一个男生没握过手,第三个到会的女生只差二个男生没握过手,……就这样,最后一个到会的女生同7个男生握过手,问这50名学生中有多少个男生?
14、 100个连续自然数的和是8450,取出其中第一个,第三个,第五个,……第九十九个(所有奇数个),再把这50个数相加,和是多少?
15、一个分数,加上它的一个分数单位后是1,减去它的一个分数单位后是8/9,这个分数是多少?
16、 沿一个正方形鱼池的边铺路,用一批大小相等的正方形水泥砖铺,铺一周还剩下20块,如果再接着铺一周,则差12块,这批水泥砖共有多少块?
17、学校图书室的书有520本不是故事书,有500本不是科技书,已知故事书和科技书一共700本,问图书室里一共有多少本书?
1、爸爸买回算术本语文本共30本,已知算术本比语文本多4本,问爸爸买回的算术本和语文本各有多少本?
2、甲、乙两个仓库共存大米60吨,如果从甲仓库运6吨大米到乙仓库,两个仓库的大米吨数正好相等,求原来两个仓库各有大米多少吨?
3、甲、乙两箱共有水果50千克,若从甲箱中取6千克放到乙箱中,这时甲箱还比乙箱多2千克,求两箱原有水果各多少千克?
4、康藏公路和青藏公路共长4355千米,康藏公路比青藏公路长155千米。两条公路各长多少千米?
5、甲筐里有桃30千克,乙筐里装的杏。如果从乙筐里取出12千克杏,桃就比杏多10千克。问乙筐里原来有杏多少千克?
6、一个顾客买6瓶酒,每瓶付1.3元,退空瓶时,售货员说,每只瓶比酒钱少1.1元,顾客退回的瓶钱多少元?
7、有甲、乙、丙三袋化肥,甲、乙两袋共重32千克,乙、丙两袋共重30千克,甲、丙两袋共重22千克。甲袋重多少千克?乙袋重多少千克?丙袋重多少千克?
8、某工厂将875元奖金分别给创造发明的三名优秀工人。第一名比第二名多得250元,第二名比第三名多得125元,三名优秀工人各得多少元?
9、六年级有四个班,不算甲班,其余三个班的总人数是131人,不算丁班,其余三个班的总人数是134人,乙、丙两班的总人数比甲、丁两班的总人数少1人,四个班的总人数是多少人?
10、东西两仓库共存米650吨,如果每天由东仓库运出4吨给西仓库,10天后两仓库存米相等。东、西仓库原存米各多少吨?
绛旓細鍏紡锛氬皬鏁=鍜/锛堝嶆暟+1锛=264/锛10+1锛==24鍚 24*10=240鍚 绛旓細鐢插瓨240鍚紝涔欏瓨24鍚ㄣ傚樊鍊搴旂敤棰锛氬凡鐭ュぇ锛屽皬涓ゆ暟鐨宸紝鍙堢煡澶ф暟鏄皬鏁扮殑鍑犲嶏紝姹傚ぇ锛屽皬鏁板悇鏄灏戙傚锛氱帇甯堝倕涓澶╃敓浜х殑闆朵欢姣斾粬鐨勫緬寮熶竴澶╃敓浜х殑闆朵欢澶128涓紝涓旀槸寰掑紵鐨勪汉鍊嶏紝甯堝緬浜屼汉涓澶╁悇鐢熶骇澶氬皯涓浂浠讹紵鍏紡锛氬皬鏁...
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绛旓細瀛︿範鏁板锛岀涓嶅紑瑙i锛岃В棰樺巻鏉ヨ鍏涓烘槸鏁板瀛︿範涓渶瀵屾湁鐗瑰緛鐨勪竴椤规椿鍔ㄣ傝В棰樿兘鍔涚殑楂樹綆锛屽緢澶х▼搴︿笂鍙栧喅浜庤В棰樼瓥鐣ョ殑鎺屾彙锛岃岃В棰樼瓥鐣ョ殑涓績鍐呭灏辨槸瀛︿細瑙i鎬濊矾銆佽В棰樻柟娉曘佽В棰樿寰嬩笌瑙i鎶宸с備竴銆 鏂规硶鎸囧 宸茬煡涓や釜鏁扮殑鍜屼笌涓や釜鏁扮殑宸紝姹傝繖涓や釜鏁板悇鏄灏戠殑搴旂敤棰樺彨浣鍜屽樊闂銆傚父鐢ㄧ殑鏁伴噺...
绛旓細鍜屽嶅樊杈堥棶棰搴旂敤棰1.涓夎褰BC鐨勯潰绉槸48cm2,涓夎褰BD鐨勯潰绉瘮涓夎褰DC鐨勯潰绉ぇ16cm2,涓夎褰BD鍜屼笁瑙掑舰ADC鐨勯潰绉悇鏄灏? 2.鐢茬瓑濂栧閲戞槸涔欑瓑濂栧閲戠殑3鍊,涔欑瓑濂栧閲戞槸涓欑瓑鐨2鍊,鐢茬瓑姣斾笝绛夊1800鍏,涓夌濂栧閲戝悇鏄灏戝厓? 3. 鏍″洯鍐呮湁涓鍧楅暱鏂瑰舰鑽夊湴,瀹冪殑鍛ㄩ暱鏄96绫,闀挎槸瀹界殑3鍊,杩欏潡...
绛旓細鍜屽樊鍊嶉棶棰搴旂敤棰 1銆佷竴绡嫻鏋滄瘮涓绡瀛愰噸40鍗冨厠锛岃嫻鏋滈噸閲忔槸妗斿瓙鐨5鍊嶏紝鑻规灉銆佹瀛愬悇鏈夊灏戝崈鍏嬶紵2銆佸北鍧′笂鏈変竴缇ょ緤锛屽叾涓湁缁电緤鍜屽北缇娿傚凡鐭ョ坏缇婃瘮灞辩緤鐨3鍊嶅55鍙紝宸茬煡缁电緤姣斿北缇婂345鍙紝涓ょ缇婂悇鏈夊灏戝彧锛3銆佽偛鎵嶅皬瀛﹀弬鍔犵鎶灏忕粍鐨勫悓瀛︽瘮鍙傚姞鍚堝敱闃熺殑4鍊嶅皯45浜猴紝鍙傚姞绉戞妧灏忕粍鐨勫悓瀛︽瘮鍚堝敱...
绛旓細10銆佸皬鍗庝粖骞12宀侊紝浠栧濡堜粖骞48宀侊紝澶氬皯骞翠互鍓嶅濡堢殑骞撮緞鏄皬鍗庣殑5鍊嶏紵澶氬皯骞翠互鍚庡濡 鐨勫勾榫勬槸灏忓崕鐨3鍊嶏紵11銆佸紶宄5骞村墠鐨勫勾榫勭瓑浜庡垬纾3骞村悗鐨勫勾榫勶紝寮犲嘲浠婂勾鐨勫勾榫勬槸鍒樼骞撮緞鐨3鍊嶃傚紶宄颁笌鍒樼 浠婂勾鍒嗗埆鏄灏戝瞾锛12銆佸紶鑰佸笀鐨勫勾榫勬瘮鐜嬪叺鐨勫勾榫勭殑3鍊嶅皯4宀侊紝寮犺佸笀鍦7骞村墠鐨勫勾榫勫拰鐜嬪叺9骞村悗鐨...
绛旓細鍜屽樊鍊嶉棶棰搴旂敤棰 1銆佷竴绡嫻鏋滄瘮涓绡瀛愰噸40鍗冨厠锛岃嫻鏋滈噸閲忔槸妗斿瓙鐨5鍊嶏紝鑻规灉銆佹瀛愬悇鏈夊灏戝崈鍏嬶紵2銆佸北鍧′笂鏈変竴缇ょ緤锛屽叾涓湁缁电緤鍜屽北缇娿傚凡鐭ョ坏缇婃瘮灞辩緤鐨3鍊嶅55鍙紝宸茬煡缁电緤姣斿北缇婂345鍙紝涓ょ缇婂悇鏈夊灏戝彧锛3銆佽偛鎵嶅皬瀛﹀弬鍔犵鎶灏忕粍鐨勫悓瀛︽瘮鍙傚姞鍚堝敱闃熺殑4鍊嶅皯45浜猴紝鍙傚姞绉戞妧灏忕粍鐨勫悓瀛︽瘮鍚堝敱...
绛旓細鍜屽樊闂 璇村埌鈥滃拰宸棶棰樷,灏忓楂樺勾绾х殑鍚屽,浜轰汉閮戒細璇:鈥滄垜浼!鈥濆拰宸棶棰樼殑璁$畻澶畝鍗曚簡.鏄殑,鐭ラ亾涓や釜鏁扮殑鍜涓庡樊,姹備袱鏁,鏈夎绠楀叕寮: 澶ф暟=(鍜+宸)梅2 灏忔暟=(鍜-宸)梅2 浼氱畻,杩樿浼氱伒娲昏繍鐢,瑕佹妸鏌愪簺搴旂敤棰杞寲鎴愬拰宸棶棰樻潵绠. 鍏堢湅鍑犱釜绠鍗曠殑渚嬪瓙. 渚1,寮犳槑鍦ㄦ湡鏈冭瘯鏃,璇枃銆佹暟瀛︿袱闂ㄥ姛...
绛旓細鍜屾槸鎸囦袱涓強涓や釜浠ヤ笂鍚屽睘鎬х殑浜嬬墿鐩稿姞鎵鑾峰緱鐨勬柊浜嬬墿锛屼篃鍙互鐙箟鍦扮悊瑙d负涓や釜鏁扮浉鍔犳墍寰楃殑缁撴灉銆傚樊锛屾暟瀛﹁繍绠楃殑涓绉嶏紝鐗规寚涓や釜鏁扮殑鍑忔硶鐨勭粨鏋溿傚锛3-2=1锛岃浣滐細3涓2鐨勫樊涓1銆傚凡鐭ヤ袱鏁扮殑鍜屽強瀹冧滑鐨勫樊锛堜竴鑸寚锛氬ぇ鏁帮紞灏忔暟锛夛紝姹傝繖涓や釜鏁板悇鏄灏戠殑搴旂敤棰橈紝鍙仛鍜屽樊搴旂敤棰橈紝绠绉板拰宸棶棰...