六年级下册口算题300道 六年级口算题300道
\u516d\u5e74\u7ea7\u4e0b\u518c\u53e3\u7b97\u9898\u95ee\uff1a\u5df2\u77e5\u4e24\u4e2a\u81ea\u7136\u6570\u7684\u6700\u5927\u516c\u7ea6\u6570\u662f20,\u6700\u5c0f\u516c\u500d\u6570\u662f560,\u7b26\u5408\u6761\u4ef6\u7684\u4e24\u4e2a\u6570\u4e2d\u5dee\u6700\u5c0f\u7684\u4e24\u4e2a\u6570\u5404\u662f\u591a\u5c11?
\u7b54\uff1a560/20=28
28=4*7
\u4e24\u4e2a\u6570\u5206\u522b\u662f
20*4=80
20*7=140
\u89c4\u5f8b\uff1a\u4e24\u4e2a\u6570\u7684\u79ef\u7b49\u4e8e\u8fd9\u4e24\u4e2a\u6570\u6700\u5927\u516c\u500d\u6570\u548c\u6700\u5c0f\u516c\u500d\u6570\u7684\u79ef\u3002 \u95ee\uff1a 1\u00f732\u00f70.05\u00f70.25\u00f70.2
\u6761\u4ef6\u662f\u4e0d\u80fd\u7528\u5206\u6570\uff0c\u4e0d\u80fd\u63d0\u53d6\u5171\u540c\u9879\u3002 \u7b54\uff1a\u8fde\u7eed\u9664\u4ee5\u51e0\u4e2a\u6570\u7b49\u4e8e\u9664\u4ee5\u4ed6\u4eec\u7684\u79ef
\u628a32\u5206\u62104*8
\u6240\u4ee5\u539f\u9898=1/4/0.05/0.25/8/0.2==1\u00f7\uff084x0.05\uff09\u00f7\uff088x0.25\uff09\u00f70.2
=1\u00f70.2\u00f72\u00f70.2
=12.5 \u95ee\uff1a A,B\u4e24\u5730\u76f8\u8ddd910\u7c73,\u7532,\u4e59\u4e24\u4eba\u540c\u65f6\u540c\u65b9\u5411\u4eceA\u5411B\u5f80\u8fd4\u884c\u8d70,\u7532\u6bcf\u5206\u949f\u884c80\u7c73,\u4e59\u6bcf\u5206\u949f\u884c60\u7c73.\u4e24\u4eba\u7b2c\u4e8c\u6b21\u76f8\u9047\u5730\u70b9\u4e0e\u7b2c\u4e00\u6b21\u76f8\u9047\u5730\u70b9\u76f8\u9694\u591a\u5c11\u7c73?
\u7b54\uff1b \u56e0\u4e3a\uff1a\u7532,\u4e59\u4e24\u4eba\u540c\u65f6\u540c\u65b9\u5411\u4eceA\u5411B\u5f80\u8fd4\u884c\u8d70\uff0c\u7532\u6bd4\u4e59\u5feb\uff0c\u6240\u4ee5\u4ed6\u4eec\u7b2c\u4e00\u6b21\u76f8\u9047\u4e00\u5b9a\u662f2\u4eba\u7684\u8def\u7a0b\u76f8\u52a0\u521a\u597d\u8d70\u4e861\u5708\u3002
A,B\u4e24\u5730\u76f8\u8ddd910\u7c73\uff0c1\u5708\u5373910*2
910*2/(80+60)=13(\u5206\u949f)
\u7b2c\u4e8c\u6b21\u76f8\u9047\u5c31\u4e00\u5b9a\u662f2\u4eba\u7684\u8def\u7a0b\u76f8\u52a0\u521a\u597d\u8d70\u4e862\u5708
60*13-(910-60*13)*2
=780-260
=520(M)
\u56e0\u4e3a\u4e59\u7b2c\u4e00\u6b21\u76f8\u9047\u7684\u65f6\u5019\u6ca1\u6709\u8d70\u5b8c910\u7c73\uff0c\u4e59\u7b2c\u4e8c\u6b21\u8d70\u5230\u8def\u5982\u56fe\uff1a1\u662f\u5047\u8bbe\u7b2c\u4e00\u6b21\u8d70\u5230\u7684\u5730\u65b9\u3002\u662f\u7b2c\u4e8c\u6b21\u8d70\u5230\u8def\u30022\u4e0e1\u4e4b\u95f4\u5c31\u662f\u8981\u6c42\u7684\u7b54\u6848
\u4e59\uff1a
B\uff3f\uff3f1\uff3f\uff3f2\uff3f\uff3fA
\u2190\u2190\u2190
\u2192\u2192\u2192\u2192\u2192
\u5982\u56fe\uff1a\u4e59\u7b2c2\u6b21\u8d70\u5230\u8def\u7a0b\u5c31\u662f\u7b2c\u4e00\u6b21\u6ca1\u6709\u8d70\u5b8c\u7684\u8def\u7a0b*2+\u4e24\u4eba\u7b2c\u4e8c\u6b21\u76f8\u9047\u5730\u70b9\u4e0e\u7b2c\u4e00\u6b21\u76f8\u9047\u5730\u70b9\u76f8\u9694\u7684\u8ddd\u79bb\u2026\u2026
\u7b54\uff1a\u4e24\u4eba\u7b2c\u4e8c\u6b21\u76f8\u9047\u5730\u70b9\u4e0e\u7b2c\u4e00\u6b21\u76f8\u9047\u5730\u70b9\u76f8\u9694\u7684\u8ddd\u79bb520\u7c73\u3002 \uff081.25*17.6\uff09+\uff0836\u00f70.8\uff09+\uff082.64+12.5\uff09 \uff081.25*17.6\uff09+\uff0836\u00f70.8\uff09+\uff082.64*12.5\uff09
=1.25*17.6+1.25*28.8/0.8+0.264*1.25
=1.25(17.6+36+0.264)
=1.25*6733/125=67.33
\u95ee\uff1a7\u68f5\u6811\u79cd6\u884c\u6bcf\u884c\u79cd\u4e09\u68f5\uff0c\u600e\u4e48\u79cd\uff1f \u7b54\uff1a\u7b80\u5355\uff0c \u5148\u5c06\u4e09\u68f5\u653e\u6210\u7b49\u8fb9\u4e09\u89d2\u5f62\uff0c\u518d\u5c06\u4e09\u68f5\u653e\u5728\u6bcf\u4e2a\u8fb9\u7684\u7684\u4e2d\u70b9\u4e0a\uff0c\u5269\u4e0b\u7684\u4e00\u68f5\u653e\u5728\u4e09\u89d2\u5f62\u7684\u4e2d\u5fc3\uff0c\u4f60\u6570\u6570\u662f\u4e0d\u662f6\u884c\u5462\uff1f \u4e09\u884c\u662f\u4e09\u89d2\u5f62\u7684\u4e09\u4e2a\u8fb9\uff0c\u4ee4\u4e09\u884c\u662f\u4e09\u89d2\u5f62\u7684\u4e09\u6761\u9ad8\u3002 \u95ee\uff1a\u6709\u56db\u4e2a\u4eba\u5c5e\u732a\uff0c\u5728\u67d0\u4e00\u5e74\u4e2d\u56db\u4e2a\u4eba\u5e74\u9f84\u4e58\u79ef\u662f15925\uff0c\u90a3\u4e48\u8fd9\u56db\u4e2a\u4eba\u7684\u5e74\u9f84\u4ece\u5c0f\u5230\u5927\u5206\u522b\u662f\uff08 \uff09 \uff08 \uff09 \uff08 \uff09 \uff08 \uff09\u3002 \u7b54\uff1a\u7b80\u5355!!\u628a15925\u5206\u89e3\u8d28\u56e0\u6570\u662f:15925=5\u00d75\u00d77\u00d77\u00d713.
15925=13\u00d7(5\u00d75)\u00d7(7\u00d77),\u56e0\u4e3a\u5c11\u4e86\u4e00\u4f4d,\u6240\u4ee5\u662f1.
\u8fd9\u56db\u4e2a\u4eba\u7684\u5e74\u9f84\u4ece\u5c0f\u5230\u5927\u5206\u522b\u662f:1.13.25.49. \u95ee\uff1a\u82e5\u4fe9\u4e2a\u7b49\u5dee\u6570\u52175\uff0c8\uff0c11..........\u4e0e3\uff0c7\uff0c11..........\u90fd\u6709100\u9879\uff0c\u5b83\u4eec\u5171\u6709\u591a\u5c11\u4e2a\u76f8\u540c\u7684\u9879\uff1f \u4e24\u4e2a\u6570\u5217\u53ef\u4ee5\u63cf\u8ff0\u4e3a3n+2\u548c4m-1 n\u548cm\u53d6\u503c\u90fd\u662f1\u5230100
2+3n=4m-1\u90a3\u4e48\u5f97\u52304m=3\uff08n+1\uff09\u53ef\u4ee5\u770b\u5230\u5f53m\u662f\u4e09\u7684\u500d\u6570\u65f6\u7b49\u5f0f\u5c31\u4f1a\u6210\u7acb\u3002\u90a3\u4e48\u5c31\u662f3\u523099\u517133\u9879\u3002\u54c8\u54c8\u5982\u679c\u8fd9\u6837\u89e3\u5c31\u9519\u4e86(*^__^*) \u563b\u563b\u2026\u2026\u56e0\u4e3an\u7684\u503c\u8fd9\u65f6\u5019\u5df2\u7ecf\u8d85\u8fc7100\u4e86\u3002m\u53ea\u80fd\u53d6\u523075\u6240\u4ee5\u53ea\u670925\u9879\u3002
\u7b54\uff1a\u4ece\u7b49\u5f0f\u4e0a\u4e5f\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u4ece11\u662f\u76f8\u540c\u9879\u5f00\u59cb\uff0c\u4e00\u4e2a\u516c\u5dee\u662f3\u53e6\u5916\u4e00\u4e2a\u516c\u5dee\u662f4\uff0c\u90a3\u4e48\u6bcf\u8fc7\u4e00\u4e2a\u4e24\u4e2a\u516c\u5dee\u7684\u6700\u5c0f\u516c\u500d\u6570\u5c31\u4f1a\u51fa\u73b0\u76f8\u540c\u9879\u3002\u6700\u5c0f\u516c\u500d\u6570\u662f12.\u90a3\u4e48\u6c42\u5f97\u7b2c\u4e00\u4e2a\u6570\u5217\u7b2c100\u4e2a\u6570\u4e3a302\u7b2c2\u4e2a\u6570\u5217\u7b2c100\u4e2a\u6570\u4e3a399\uff0c\u6069\u80af\u5b9a\u662f\u53d6\u8f83\u5c0f\u7684\u6765\u7b97\u4e86\uff0c\u5c31\u662f\uff08302-11\uff09/12=24\u4f593\u90a3\u4e4811\u4e4b\u540e\u670924\u4e2a\u76f8\u540c\u9879\u3002\u52a0\u4e0a\u521d\u59cb\u768411\u5c31\u662f25\u9879\u3002
1. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3
11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
29. 8/7 \u00d7 21/16 + 1/2
30. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
1.\u53e3\u7b97\u4e0b\u9762\u5404\u9898
(1)58+42= (2)87\uff0d45= (3)125\u00d78=
(4)50\u00d712= (5)804\u00f74= (6)134\uff0b66=
(7)1000\uff0d98= (8)720\u00f75= (9)0\u00f747=
2.\u5148\u586b\u5199\u4e0b\u9762\u5404\u9898\u7684\u8fd0\u7b97\u987a\u5e8f\uff0c\u518d\u8ba1\u7b97\u51fa\u5f97\u6570\u3002
(1)168+36\uff0d36+32=
(2)153\uff0d5\u00d714+83=
(3)50\u00d75\u00f750\u00d75=
3.\u5224\u65ad\uff1a\u5bf9\u7684\u6253\u201c\u221a\u201d\uff0c\u9519\u7684\u6253\u201c\u00d7\u201d
(1)13\u00d715\u4e0e15\u00d713\u8868\u793a\u7684\u610f\u4e49\u76f8\u540c\u3002( )
(2)3000\u00f7425\u00f78\u7684\u8ba1\u7b97\u7ed3\u679c\u4e00\u5b9a\u5c0f\u4e8e3000\u00f7(425\u00d78)\u7684\u8ba1\u7b97\u7ed3\u679c\u3002( )
(3)\u4e24\u4e2a\u56e0\u6570\u7684\u79ef\u662f800\uff0c\u5982\u679c\u4e00\u4e2a\u56e0\u6570\u4e0d\u53d8\uff0c\u53e6\u4e00\u4e2a\u56e0\u6570\u7f29\u5c0f20\u500d\uff0c\u90a3\u4e48\u79ef\u662f40\u3002( )
(4)\u7b97\u5f0f\uff1a\u201c750\u00f725+35\u00d72\u201d\u6240\u8868\u793a\u7684\u610f\u4e49\u662f750\u9664\u4ee525\u7684\u5546\uff1b\u52a0\u4e0a35\u76842\u500d\uff0c\u548c\u662f\u591a\u5c11\uff1f( )
(5)24\u00d725=6\u00d74\u00d725=6+100=106( )
4.\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\uff1a
(1)3786\uff0d499
(2)32\u00d725\u00d7125
(3)1653\uff0d338\uff0d662
(4)7987+350+2013+450
(5)38\u00d738+62\u00d738
(6)452+99\u00d7452
(7)201\u00d779
(8)50\u00d7125\u00d74\u00d78
5.\u8ba1\u7b97\u4e0b\u9762\u5404\u9898\uff1a
(1)340\u00d7(120\uff0d40\u00f78)
(2)45\u00d7(720\uff0d1957\u00f719)
(3)86+[4500+(2088\u00f736)\u00f72]
(4)396\u00d7[74\uff0d(4875\u00f715\uff0d13\u00d721)]
(5)[1054\uff0d(174\uff0d168)]\u00f78
(6)6048\u00f7[(107\uff0d99)\u00d79]
6.\u7528\u7efc\u5408\u7b97\u5f0f\u89e3\u7b54\uff1a
(1)42\u51cf\u53bb28\u7684\u5dee\u966414\u7684\u5546\u662f\u591a\u5c11\uff1f
(2)840\u51cf\u53bb480\u9664\u4ee5240\u7684\u5546\uff0c\u518d\u52a0\u4e0a162\uff0c\u548c\u662f\u591a\u5c11\uff1f
(3)258\u52a0\u4e0a42\u7684\u548c\u4e58\u4ee5185\u51cf\u53bb158\u7684\u5dee\uff0c\u79ef\u662f\u591a\u5c11\uff1f
(4)1080\u51cf\u53bb6\u4e0e12\u7684\u79ef\uff0c\u518d\u9664\u4ee512\uff0c\u5546\u662f\u591a\u5c11\uff1f
(5)\u4ece6000\u91cc\u51cf\u53bb60\u4e0e80\u7684\u79ef\uff0c\u6240\u5f97\u7684\u5dee\u518d\u9664\u4ee5120\uff0c\u5546\u662f\u591a\u5c11\uff1f
(6)12\u300118\u548c20\u4e09\u4e2a\u6570\u7684\u79ef\u6bd4\u5b83\u4eec\u7684\u548c\u591a\u591a\u5c11\uff1f
7.\u5e94\u7528\u9898\uff1a
(1)\u5b66\u6821\u4e70\u6765\u684c\u6905\u517112\u5957\uff0c\u4e00\u5f20\u684c\u5b5075\u5143\uff0c\u4e00\u628a\u6905\u5b5055\u5143\uff0c\u4e70\u684c\u5b50\u6bd4\u4e70\u6905\u5b50\u591a\u7528\u591a\u5c11\u5143\uff1f
(2)\u6c34\u679c\u5e97\u8fd0\u676524\u7b50\u82f9\u679c\uff0c36\u7b50\u68a8\uff0c\u82f9\u679c\u548c\u68a8\u6bcf\u7b50\u90fd\u91cd32\u5343\u514b\uff0c\u8fd0\u6765\u82f9\u679c\u548c\u68a8\u5171\u591a\u5c11\u5343\u514b\uff1f
(3)\u4ece\u7532\u5730\u5230\u4e59\u5730\uff0c\u4e58\u706b\u8f66\u6bcf\u5c0f\u65f6\u53ef\u884c75\u5343\u7c73\uff0c30\u5c0f\u65f6\u5230\u8fbe\uff0c\u5982\u679c\u4e58\u98de\u673a\u53ea\u75282\u5c0f\u65f6\uff0c\u4e58\u98de\u673a\u5e73\u5747\u6bcf\u5c0f\u65f6\u53ef\u884c\u591a\u5c11\u5343\u7c73\uff1f
(4)\u5546\u5e97\u6709\u81ea\u884c\u8f661200\u8f86\uff0c\u4e94\u6708\u4efd\u5356\u51fa524\u8f86\uff0c\u6bd4\u516d\u6708\u4efd\u591a\u5356148\u8f86\uff0c\u8fd8\u5269\u591a\u5c11\u8f86\uff1f
(5)\u6709\u4e00\u5757\u957f\u65b9\u5f62\u83dc\u5730\uff0c\u957f32\u7c73\uff0c\u9762\u79ef\u662f768\u5e73\u65b9\u7c73\uff0c\u83dc\u5730\u7684\u5bbd\u662f\u591a\u5c11\u7c73\uff1f
(6)\u4fee\u8def\u961f\u4fee\u4e00\u6761\u8def\uff0c\u8ba1\u5212\u6bcf\u5929\u4fee45\u7c73\uff0c\u9700\u898140\u5929\u624d\u80fd\u5b8c\u6210\u3002\u540e\u6765\u6539\u8fdb\u65bd\u5de5\u65b9\u6cd5\uff0c\u6bcf\u5929\u53ef\u4ee5\u591a\u4fee20\u7c73\uff0c\u73b0\u5728\u5b8c\u6210\u4efb\u52a1\u9700\u8981\u591a\u5c11\u5929\uff1f /\u524d\u9762\u662f\u5206\u5b50\uff0c\u540e\u9762\u662f\u5206\u6bcd
\u8fd9\u4e9b\u884c\u5417 \uff1f
. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3
11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
2.8\u00d70.4\uff1d 1.12
14\uff0d7.4\uff1d6.6,
1.92\u00f70.04\uff1d48,
0.32\u00d7500\uff1d160,
0.65\uff0b4.35\uff1d 5
10\uff0d5.4\uff1d4.6,
4\u00f720\uff1d0.2,
3.5\u00d7200\uff1d700,
1.5\uff0d0.06\uff1d1.44
0.75\u00f715\uff1d0.05,
0.4\u00d70.8\uff1d0.32,
4\u00d70.25\uff1d1,
0.36\uff0b1.54\uff1d2
1.01\u00d799\uff1d99.99,
420\u00f735\uff1d12,
25\u00d712\uff1d300,
135\u00f70.5\uff1d270
3/4 + 1/4 =1,
2 + 4/9 =22/9,
3 - 2/3 =7/3,
3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2,
7.5-(2.5+3.8)=1.2,
7/8 + 3/8 =5/4
3/10 +1/5 =1/2,
4/5 - 7/10 =1/10,
2 - 1/6 -1/3 =1.5
0.51\u00f717\uff1d0.03,
32.8\uff0b19\uff1d51.8,
5.2\u00f71.3\uff1d4,
1.6\u00d70.4\uff1d 0.64
4.9\u00d70.7\uff1d3.43,
1\u00f75\uff1d0.2,
6\u00f712\uff1d0.5,
0.87\uff0d0.49\uff1d0.38
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2\u00d73/5
14.3.375+5.75+2.25+6.625
15.1001\uff0d9036\u00f718
16.3.8\u00d75.25+14.5
17.2.1*4.3+5.7*2.1
18.30\u00d71/3
19.102*45-328
20.2/3\u00d712
21.2.8*3.1+17.6/8
22.3/5\u00d75/6
23.(50-12.5)/2.5
24.2/5\u00d71/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7\u00d71/5
29.3.375*0.97+0.97*6.625
30.25\u00d74/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2\u00d71/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403\u00f713\u00d727
46.1.5\u00d74.2\uff0d0.75\u00f70.25
47.3.27\u00d74 +3.27\u00d75.7
48.\uff081.2+ 1.8\uff09\u00d74.51025\uff0d768\u00f732
49.0.25\u00d780\uff0d0.45\u00f70.9
50.1025\uff0d768\u00f732
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
2/1*2=1
3/1*3=1
3/2*3=2
3/1*6=2
4/3*8=6
5/3*20=12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/8*90=144
99/98*99=98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/7*38=14
5/1*25=5
8/19*16=38
61/60*122=120
7/2*28=8 6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45 8/9*16=18
2/1*2=1
3/1*3=1
3/2*3=2
3/1*6=2
4/3*8=6
5/3*20=12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/8*90=144
99/98*99=98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/7*38=14
5/1*25=5
8/19*16=38
61/60*122=120
7/2*28=8
6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
12\u00f73/5=12\u00d7(5/3\uff09
9\u00f76/7=9\u00d7( 7/6 )
30\u00f75/6=30\u00d7\uff086/5 \uff09
4\u00d7\uff083/2 \uff09=4\u00f72/3
4\u00f75/7=4\u00d77/5
3\u00f74/5=3\u00d75/4
24\u00f77/16=24\u00d7\uff0816/7 \uff09
A\u00f7C/B=A\u00d7B/C
4\u00f74/5=5
6\u00f73/4=8
10\u00f72/5=25
18\u00f74/9=81/2
4\u00d74/5=16/5
6\u00d73/4=18/4
10\u00d72/5=4
18\u00d74/9=8
3\u00f73/4=4
2\u00f71/3=6
6\u00f74/5=15/2
1\u00f75/7=7/5
3/4\u00f73=1/4
1/3\u00f72=1/6
4/5\u00f76=2/15
5/7\u00f71=5/7
2/1*2=1
3/1*3=1
3/2*3=2
3/1*6=2
4/3*8=6
5/3*20=12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/8*90=144
99/98*99=98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/7*38=14
5/1*25=5
8/19*16=38
61/60*122=120
7/2*28=8
6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
8.5-0.24-1.76= 350÷50= 8.5÷5= 320÷40=
45-32= 1.8×6-1.8= 11) 12.4+0.37= 1-0.62=
720÷9028×6= 25×8×125×4= 0.36÷3= 1-0.76=
8500×4= 69×7= 4.8÷0.6+4.8÷0.4= 1.44÷9=
2.8×0.4＝ 14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝ 10－5.4＝
4÷20＝ 3.5×200＝ 1.5－0.06＝ 0.75÷15＝ 0.4×0.8＝
4×0.25＝ 0.36＋1.54＝ 1.01×99＝ 420÷35＝ 25×12＝300
135÷0.5＝ 12×40= 6+7.8= 45-32= 1.12×100=
3.9-2.8= 4.83-2.53= 2.4÷0.6= 0.32×0.2×5=
240÷3= 0.04×25= 1.25×0.8= 1.8÷0.9=
9×1.25×8= 1.7×3= 27÷0.01= 25×8×125×4=
5600÷8= 5.2×0= 26×3= 30×(200+3)= 0.8×0.7= 0.25×28=
48÷0.6= 2.73-0.63= 0.81÷0.9= 4.5+0.55=
560+80= 1-0.76= 720÷80= 350÷50=
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 2.8×0.4＝
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝
1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10=
17÷1000= 0.56+0.4= 1.25×100= 5.6+99= 100÷25=
1-0.93= 90-0.9= 248－198= 68×25= 6756－193－207=
72×125= 97×360＋3×360=
自己写把
绛旓細灏忓鍏勾绾у彛绠楅濡備笅锛1銆45+15脳6= 135 2銆250梅5脳8=400 3銆6脳5梅2脳4=60 4銆30脳3+8=98 5銆400梅4+20脳5= 200 6銆10+12梅3+20=34 7銆360梅40= 9 8銆40脳20= 800 9銆80-25= 55 10銆70+45=115 11銆90脳2= 180 12銆16脳6= 96 13銆300脳6= 1800 14銆540梅9...
绛旓細25脳4=100 300脳52=15600 5脳42=210 1.35脳9=12.15 15脳8=120 125脳4=500 8.456脳1000=8456 21脳8=168 32脳0.1=3.2 572脳8=4576 372脳0=0 153脳46=7038 173脳10=1730 15脳80=1200 3652007脳0=0 384梅4=96 888梅74=12 592梅37=16 384梅32=12 1846梅10=184.6 468梅39...
绛旓細530-70= 0.37脳20= 6.43+1.95= 48梅0.6= 8.5-0.24-1.76= 350梅50= 8.5梅5= 320梅40= 45-32= 1.8脳6-1.8= 11) 12.4+0.37= 1-0.62= 720梅9028脳6= 25脳8脳125脳4= 0.36梅3= 1-0.76= 8500脳4= 69脳7= 4.8梅0.6+4.8梅0.4...
绛旓細1.鍙ｇ畻锛3.14脳2= 3.14脳3= 3.14脳4= 3.14脳5= 3.14脳6= 3.14脳7= 3.14脳8= 3.14脳9= 3.14脳10= 3.14脳20 = 3.14脳1.5 = 3.14脳100 = 3.14脳500 = 3.14脳0.6 = 3.14脳0.5 = 3.14脳80 = 92 = 102 = ...
绛旓細1.3/7 脳 49/9 - 4/3 2.8/9 脳 15/36 + 1/27 3.12脳 5/6 鈥 2/9 脳3 4.8脳 5/4 + 1/4 5.6梅 3/8 鈥 3/8 梅6 6.4/7 脳 5/9 + 3/7 脳 5/9 7.5/2 -锛 3/2 + 4/5 锛8.7/8 + 锛 1/8 + 1/9 锛9.9 脳 5/6 + 5/6 10.3/4 脳 8/9...
绛旓細42.220+80= 300 43.20脳8脳5= 800 44.600-3脳200=0 45.20+20梅2= 30 46.35-25梅5= 30 47.36+8-40= 4 48.2800梅40=70 49.98梅14 = 7 50.96梅24 = 4 51.56梅14 =4 52.65梅13 = 5 53.75梅15 = 5 54.120梅24 =5 55.200梅25 = 8 56.800梅16 = 50 57....
绛旓細1.鍙ｇ畻涓嬮潰鍚勯 (1)58+42= (2)87-45= (3)125脳8= (4)50脳12= (5)804梅4= (6)134+66= (7)1000-98= (8)720梅5= (9)0梅47= 2.鍏堝～鍐欎笅闈㈠悇棰樼殑杩愮畻椤哄簭,鍐嶈绠楀嚭寰楁暟銆 (1)168+36-36+32= (2)153-5脳14+83= (3)50脳5梅50脳5= 3.鍒ゆ柇:瀵圭殑鎵撯溾垰鈥,閿欑殑鎵撯溍椻 (1)...
绛旓細鍏勾绾т笅鍐屽彛绠楅浣滀笟鏈53椤甸鐩 0.4脳125脳25脳0.8 =(0.4脳25)脳(125脳0.8)=10脳100 =1000 1.25脳(8+10)=1.25脳8+1.25脳10 =10+12.5 =22.5 9123-(123+8.8)=9123-123-8.8 =9000-8.8 =8991.2 1.24脳8.3+8.3脳1.76 =8.3脳(1.24+1.76)=8.3脳3 =24.9...
绛旓細璇勮 鏀惰捣 pgbid 2008-02-06 路 TA鑾峰緱瓒呰繃659涓禐 鐭ラ亾灏忔湁寤烘爲绛斾富 鍥炵瓟閲:138 閲囩撼鐜:0% 甯姪鐨勪汉:35.9涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 1+1=1+2=1+3=1+4=1+5=1+6=1+7=1+8=1+9=```1+300=1+301= 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 ...
绛旓細25脳12锛300,135梅0.5锛270 3/4 + 1/4 =1,2 + 4/9 =22/9,3 - 2/3 =7/3,3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2,7.5-(2.5+3.8)=1.2,7/8 + 3/8 =5/4 3/10 +1/5 =1/2,4/5 - 7/10 =1/10,2 - 1/6 -1/3 =1.5 0.51梅17锛0.03,32...
