急需300道四年级递等式计算题!要难些,不要有乘除,最好能简便 四年级下册递等式计算题300道 短一点行吗

\u6025\u9700300\u9053\u56db\u5e74\u7ea7\u9012\u7b49\u5f0f\u8ba1\u7b97\u9898\uff01

\u6211\u5c31\u8fd9\u4e9b\uff1a
\u56db\u5e74\u7ea7\u7b80\u4fbf\u8ba1\u7b97\u9898
184\uff0b98 695\uff0b202 864\uff0d199 738\uff0d301
\uff08\u52a0\u51cf\u6cd5\u63a5\u8fd1\u6574\u767e\u6570\u7684\u7b80\u7b97\uff09
380\uff0b476\uff0b120 \uff08569\uff0b468\uff09\uff0b\uff08432\uff0b131\uff09
\uff08\u52a0\u6cd5\u4ea4\u6362\u5f8b\u548c\u7ed3\u5408\u5f8b\u7684\u8fd0\u7528\uff09
256\uff0d147\uff0d53 373\uff0d129\uff0b29 189\uff0d\uff0889\uff0b74\uff09 456\uff0d\uff08256\uff0d36\uff09
\uff08\u51cf\u6cd5\u7684\u7b80\u7b97\uff0c\u91cd\u70b9\uff1a\u8fd0\u7b97\u7b26\u53f7\u53d8\u5316\u7684\u5904\u7406\uff09
28\u00d74\u00d725 125\u00d732\u00d725 9\u00d772\u00d7125
\uff08\u4e58\u6cd5\u4ea4\u6362\u5f8b\u548c\u7ed3\u5408\u5f8b\u7684\u8fd0\u7528\uff0c\u91cd\u70b9\uff1a\u4e00\u4e2a\u56e0\u6570\u5206\u6210\u4e24\u4e2a\u56e0\u6570\u7684\u5904\u7406\uff09
720\u00f716\u00f75 630\u00f742
\uff08\u9664\u6cd5\u7684\u7b80\u7b97\uff09
102\u00d735 98\u00d742
\uff08\u4e58\u6cd5\u63a5\u8fd1\u6574\u767e\u6570\u7684\u7b80\u7b97\uff09
26\u00d739\uff0b61\u00d726 356\u00d79\uff0d56\u00d79
99\u00d755\uff0b55 78\u00d7101\uff0d78
52\u00d776\uff0b47\u00d776\uff0b76 134\u00d756\uff0d134\uff0b45\u00d7134
\uff08\u4e58\u6cd5\u5206\u914d\u5f8b\u7684\u8fd0\u7528\uff09
48\u00d752\u00d72\uff0d4\u00d748
25\u00d723\u00d7\uff0840\uff0b4\uff09
999\u00d7999\uff0b1999
\uff08\u4e58\u6cd5\u5206\u914d\u5f8b\u7684\u7efc\u5408\u8fd0\u7528\uff09158+262+138 375+219+381+225 5001\uff0d247\uff0d1021\uff0d232




\uff08181+2564\uff09+2719 378+44+114+242+222 276+228+353+219




(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999




7755\uff0d(2187+755) 2214+638+286 3065\uff0d738\uff0d1065 899+344




2357\uff0d183\uff0d317\uff0d357 2365\uff0d1086\uff0d214 497\uff0d299 2370+1995




3999+498 1883\uff0d398 12\u00d725 75\u00d724




138\u00d725\u00d74 (13\u00d7125)\u00d7(3\u00d78) (12+24+80)\u00d750 704\u00d725



25\u00d732\u00d7125 32\u00d7(25+125) 88\u00d7125 102\u00d776 58\u00d798




178\u00d7101\uff0d178 84\u00d736+64\u00d784 75\u00d799+2\u00d775 83\u00d7102\uff0d83\u00d72




98\u00d7199 123\u00d718\uff0d123\u00d73+85\u00d7123 50\u00d7(34\u00d74)\u00d73 25\u00d7\uff0824+16\uff09




178\u00d799+178 79\u00d742+79+79\u00d757 7300\u00f725\u00f74 8100\u00f74\u00f775




16800\u00f7120 30100\u00f72100 32000\u00f7400 49700\u00f7700



1248\u00f724 3150\u00f715 4800\u00f725 21500\u00f7125



158+262+138
375+219+381+225
5001\uff0d247\uff0d1021\uff0d232
\uff08181+2564\uff09+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755\uff0d(2187+755)
2214+638+286
3065\uff0d738\uff0d1065
899+344
2357\uff0d183\uff0d317\uff0d357
2365\uff0d1086\uff0d214
497\uff0d299
2370+1995
3999+498
1883\uff0d398
12\u00d725
75\u00d724
138\u00d725\u00d74
(13\u00d7125)\u00d7(3\u00d78)
(12+24+80)\u00d750
704\u00d725
25\u00d732\u00d7125
32\u00d7(25+125)
88\u00d7125
102\u00d776
58\u00d798
178\u00d7101\uff0d178
84\u00d736+64\u00d784
75\u00d799+2\u00d775
83\u00d7102\uff0d83\u00d72
98\u00d7199
123\u00d718\uff0d123\u00d73+85\u00d7123
50\u00d7(34\u00d74)\u00d73
25\u00d7\uff0824+16\uff09
178\u00d799+178
79\u00d742+79+79\u00d757
7300\u00f725\u00f74
8100\u00f74\u00f775
16800\u00f7120
30100\u00f72100
32000\u00f7400
49700\u00f7700
1248\u00f724
3150\u00f715
4800\u00f725
21500\u00f7125
\u9644\u52a0\u9898\uff1a
2356\uff0d\uff081356\uff0d721\uff09
1235\uff0d\uff081780\uff0d1665\uff09
75\u00d727+19\u00d72 5
31\u00d7870+13\u00d7310
4\u00d7(25\u00d765+25\u00d728)

\uff08a\uff0bb\uff09\uff0b c = a \uff0b\uff08b\uff0bc)
2.73 \uff0b 0.89 \uff0b 1.27

4.37 \uff0b 0.28 \uff0b 1.63 \uff0b 5.72


a\uff0db\uff0dc = a \uff0d\uff08b\uff0bc\uff09

10 \uff0d 0.432 \uff0d 2.568


9.3 \uff0d 5.26 \uff0d 2.74

13.4\uff0d\uff083.4\uff0b5.2\uff09

14.9\uff0d\uff085.2\uff0b4.9\uff09

18.32 \uff0d 5.47 \uff0d 4.32

17.29 \uff0d 5.28 \uff0d 6.29

\uff08a \u00d7 b\uff09\u00d7c = a \u00d7\uff08b \u00d7 c\uff09
25 \u00d7 6.8 \u00d7 0.04

0.25 \u00d7 32 \u00d7 0.125

6.4 \u00d7 1.25 \u00d7 12.5

c \u00d7\uff08a+b\uff09= ca \uff0b cb

0.45 \u00d7 201

0.58 \u00d7 10.1

50.2 \u00d7 99

4.7 \u00d7 9.9

3.28 \u00d7 5.7 \uff0b 6.72 \u00d7 5.7

2.1 \u00d7 99 \uff0b 2.1

1.7 \u00d7 9.9 \uff0b 0.17

23 \u00d7 0.1 \uff0b 2.3 \u00d7 9.9

0.18 \uff0b4.26 \uff0d0.18 \uff0b4.26 \u2606

0.58 \u00d71.3 \u00f7 0.58 \u00d71.3 \u2606

7.3 \u00f74 \uff0b 2.7 \u00d7 0.25 \u2606

3.75 \u00d7 0.5 \uff0d 2.75 \u00f7 2 \u2606

5.26 \u00d7 0.125 \uff0b 2.74 \u00f7 8 \u2606

a \u00f7 b \u00f7 c = a \u00f7 \uff08b \u00d7 c\uff09

6.3 \u00f7 1.8

4.2 \u00f7 3.5

9.5 \u00f7\uff081.9 \u00d7 8\uff09


12.8 \u00f7 \uff080.4 \u00d7 1.6\uff09

930 \u00f7 0.6 \u00f75

63.4 \u00f7 2.5 \u00f7 0.4

\uff087.7 \uff0b 1.54\uff09\u00f7 0.7 \u2606

\uff0811.7 \uff0b 9.9\uff09\u00f7 0.9 \u2606

175\uff0d75\u00f725 68\uff0b35\u00d713 725\uff0d\uff08125\uff0b237\uff09

\uff08114\uff0b166\uff09\u00f735 432\u00f7\uff089\u00d78\uff09 189\uff0d60\uff0b40



216\uff0b305 25\u00d732 47\uff0b236\uff0b64

6\u00d7\uff0815\u00d79\uff09 402\uff0b359 43\uff0b78\uff0b122\uff0b257

25\u00d7\uff0826\u00d74\uff09 25\u00d744 354\uff0b\uff08229\uff0b46\uff09



\uff081\uff099.26-4.38-2.62

\uff082\uff099.26-(4.38+2.26)

\uff083\uff099.26-(4.38-2.74
\uff081\uff094.75-9.64+8.25-1.36

\uff082\uff0914.529+(2.471-3)

\uff083\uff0938.68-(4.7-2.32)
415\uff0d176\uff0d24 8.29\uff0b3.7\uff0b0.71\uff0b6.3




125\u00d789\u00d78 428 \u00d778\uff0b572\u00d778



3. \u9012\u7b49\u5f0f\u8ba1\u7b97\u3002
15\u00d727\uff0d3000\u00f725 216\uff0b64\u00d742\u00f728 (324\uff0d285) \u00d712\u00f726





(1)60506\uff0d19460\u00f735
(2)23072\u00f7412\u00d765
(3)184\u00d738\uff0b116\u00d738\uff0d11300
(4)(79691\uff0d46354)\u00f7629
(5)325\u00f713\u00d7(266\uff0d250)

(1)1.9\u00f7(43.26+6.74)\u00d73 (2)17.8+6.3\u00f7(3.2-1.6)


(3)0.4\u00d7(3.2-0.8)\u00f71.2 (4) 5\u00d7[(3.2+4.06)\u00f76.05]


(5)68-(188.3-107.3)\u00f70.81\u00f70.9 (6)20.5+1.4\u00d74\u00f70.4

45-30\u00f75=
200\u00f7(25\u00d74)=
40+60\u00d72=
0\u00d7140+60=


\u4e00\u3001\u8ba1\u7b97\u5e76\u9a8c\u7b97\u5404\u9898\uff0e

1\uff0e100.485\uff0b72.68
4\uff0e40.043\uff0d12.87


216\uff0b305 25\u00d732 47\uff0b236\uff0b64

6\u00d7\uff0815\u00d79\uff09 402\uff0b359 43\uff0b78\uff0b122\uff0b257

25\u00d7\uff0826\u00d74\uff09 25\u00d744 354\uff0b\uff08229\uff0b46\uff09
1000\u20157200\u00f78
1242\u00f7\uff08103\u201549\uff09
4032\u00f7\uff0836\u00d72\uff09
75\u00d74\uff0b630 376\uff0b280\u00f770
9\u00d760\uff0d320 6400\u00f780\uff0d64
2936\u00f74\u00d74

(4280+3265)\u00f75

576\u00f73\u00f74

2427\u00f73+1995

8323\u00f74=


3002\u00f72=

234\u00d73\uff0d574\u00f77 4326\u00f7\uff0861\uff0d58\uff09

48\u00d752\u00d72\uff0d4\u00d748

25\u00d723\u00d7\uff0840\uff0b4\uff09

999\u00d7999\uff0b1999


1. \u6709 28\u4f4d\u5c0f\u670b\u53cb\u6392\u6210\u4e00\u884c .\u4ece\u5de6\u8fb9\u5f00\u59cb\u6570\u7b2c 10\u4f4d\u662f\u7231\u534e\uff0c\u4ece\u53f3\u8fb9\u5f00\u59cb\u6570\u4ed6\u662f\u7b2c\u51e0\u4f4d\uff1f



2. \u7ebd\u7ea6\u65f6\u95f4\u662f\u9999\u6e2f\u65f6\u95f4\u51cf 13\u5c0f\u65f6 .\u4f60\u4e0e\u4e00\u4f4d\u5728\u7ebd\u7ea6\u7684\u670b\u53cb\u7ea6\u5b9a\uff0c\u7ebd\u7ea6\u65f6\u95f4 4\u6708 1\u65e5\u665a\u4e0a 8\u65f6\u4e0e\u4ed6\u901a\u7535\u8bdd\uff0c\u90a3\u4e48\u5728\u9999\u6e2f\u4f60\u5e94\u51e0\u6708\u51e0\u65e5\u51e0\u65f6\u7ed9\u4ed6\u6253\u7535\u8bdd\uff1f



3. \u540d\u5de5\u4eba 5\u5c0f\u65f6\u52a0\u5de5\u96f6\u4ef6 90\u4ef6\uff0c\u8981\u5728 10\u5c0f\u65f6\u5b8c\u6210 540\u4e2a\u96f6\u4ef6\u7684\u52a0\u5de5\uff0c\u9700\u8981\u5de5\u4eba\u591a\u5c11\u4eba\uff1f



4. \u5927\u4e8e 100\u7684\u6574\u6570\u4e2d\uff0c\u88ab 13\u9664\u540e\u5546\u4e0e\u4f59\u6570\u76f8\u540c\u7684\u6570\u6709\u591a\u5c11\u4e2a\uff1f



5. \u56db\u4e2a\u623f\u95f4\uff0c\u6bcf\u4e2a\u623f\u95f4\u91cc\u4e0d\u5c11\u4e8e 2\u4eba\uff0c\u4efb\u4f55\u4e09\u4e2a\u623f\u95f4\u91cc\u7684\u4eba\u6570\u4e0d\u5c11 8\u4eba\uff0c\u8fd9\u56db\u4e2a\u623f\u95f4\u81f3\u5c11\u6709\u591a\u5c11\u4eba\uff1f



6. \u5728 1998\u7684\u7ea6\u6570\uff08\u6216\u56e0\u6570\uff09\u4e2d\u6709\u4e24\u4f4d\u6570\uff0c\u5176\u4e2d\u6700\u5927\u7684\u662f\u54ea\u4e2a\u6570\uff1f



7. \u82f1\u6587\u6d4b\u9a8c\uff0c\u5c0f\u660e\u524d\u4e09\u6b21\u5e73\u5747\u5206\u662f 88\u5206\uff0c\u8981\u60f3\u5e73\u5747\u5206\u8fbe\u5230 90\u5206\uff0c\u4ed6\u7b2c\u56db\u6b21\u6700\u5c11\u8981\u5f97\u51e0\u5206\uff1f



8. \u4e00\u4e2a\u6708\u6700\u591a\u6709 5\u4e2a\u661f\u671f\u65e5\uff0c\u5728\u4e00\u5e74\u7684 12\u4e2a\u6708\u4e2d\uff0c\u6709 5\u4e2a\u661f\u671f\u65e5\u7684\u6708\u4efd\u6700\u591a\u6709\u51e0\u4e2a\u6708\uff1f



9. \u5c06 0\uff0c 1\uff0c 2\uff0c 3\uff0c 4\uff0c 5\uff0c 6\uff0c 7\uff0c 8\uff0c 9\u8fd9\u5341\u4e2a\u6570\u5b57\u4e2d\uff0c\u9009\u51fa\u516d\u4e2a\u586b\u5728\u4e0b\u9762\u65b9\u6846\u4e2d\uff0c\u4f7f\u7b97\u5f0f\u6210\u7acb\uff0c\u4e00\u4e2a\u65b9\u6846\u586b\u4e00\u4e2a\u6570\u5b57\uff0c\u5404\u4e2a\u65b9\u6846\u6570\u5b57\u4e0d\u76f8\u540c .

\u25a1 +\u25a1\u25a1 =\u25a1\u25a1\u25a1

\u95ee\u7b97\u5f0f\u4e2d\u7684\u4e09\u4f4d\u6570\u6700\u5927\u662f\u4ec0\u4e48\u6570\uff1f



10. \u6709\u4e00\u4e2a\u53f7\u7801\u662f\u516d\u4f4d\u6570\uff0c\u524d\u56db\u4f4d\u662f 2857\uff0c\u540e\u4e24\u4f4d\u8bb0\u4e0d\u6e05\uff0c\u5373

2857\u25a1\u25a1

\u4f46\u662f\u6211\u8bb0\u5f97\uff0c\u5b83\u80fd\u88ab 11\u548c 13\u6574\u9664\uff0c\u8bf7\u4f60\u7b97\u51fa\u540e\u4e24\u4f4d\u6570 .



11. \u67d0\u5b66\u6821\u6709\u5b66\u751f 518\u4eba\uff0c\u5982\u679c\u7537\u751f\u589e\u52a0 4\uff05\uff0c\u5973\u751f\u51cf\u5c11 3\u4eba\uff0c\u603b\u4eba\u6570\u5c31\u589e\u52a0 8\u4eba\uff0c\u90a3\u4e48\u539f\u6765\u7537\u751f\u6bd4\u5973\u751f\u591a\u51e0\u4eba\uff1f



12. \u9648\u654f\u8981\u8d2d\u7269\u4e09\u6b21\uff0c\u4e3a\u4e86\u4f7f\u6bcf\u6b21\u90fd\u4e0d\u4ea7\u751f 10\u5143\u4ee5\u4e0b\u7684\u627e\u8d4e\uff0c 5\u5143\u3001 2\u5143\u3001 1\u5143\u7684\u786c\u5e01\u6700\u5c11\u603b\u5171\u8981\u5e26\u51e0\u4e2a\uff1f

\uff08\u786c\u5e01\u53ea\u6709 5\u5143\u3001 2\u5143\u3001 1\u5143\u4e09\u79cd .\uff09



13. \u53f3\u56fe\u662f\u4e09\u4e2a\u534a\u5706\u6784\u6210\u7684\u56fe\u5f62\uff0c\u5176\u4e2d\u5c0f\u5706\u76f4\u5f84\u4e3a 8\uff0c\u4e2d\u5706\u76f4\u5f84\u4e3a 12\uff0c



14.\u5e7c\u513f\u56ed\u7684\u8001\u5e08\u628a\u4e00\u4e9b\u753b\u7247\u5206\u7ed9 A\uff0c B\uff0c C\u4e09\u4e2a\u73ed\uff0c\u6bcf\u4eba\u90fd\u80fd\u5206\u5230 6\u5f20 .\u5982\u679c\u53ea\u5206\u7ed9 B\u73ed\uff0c\u6bcf\u4eba\u80fd\u5f97 15\u5f20\uff0c\u5982\u679c\u53ea\u5206\u7ed9 C\u73ed\uff0c\u6bcf\u4eba\u80fd\u5f97 14\u5f20\uff0c\u95ee\u53ea\u5206\u7ed9 A\u73ed\uff0c\u6bcf\u4eba\u80fd\u5f97\u51e0\u5f20\uff1f



15. \u4e24\u4eba\u505a\u4e00\u79cd\u6e38\u620f\uff1a\u8f6e\u6d41\u62a5\u6570\uff0c\u62a5\u51fa\u7684\u6570\u53ea\u80fd\u662f 1\uff0c 2\uff0c 3\uff0c 4\uff0c 5\uff0c 6\uff0c 7\uff0c 8.\u628a\u4e24\u4eba\u62a5\u51fa\u7684\u6570\u8fde\u52a0\u8d77\u6765\uff0c\u8c01\u62a5\u6570\u540e\uff0c\u52a0\u8d77\u6765\u7684\u6570\u662f 123\uff0c\u8c01\u5c31\u83b7\u80dc\uff0c\u8ba9\u4f60\u5148\u62a5\uff0c\u5c31\u4e00\u5b9a\u4f1a\u8d62\uff0c\u90a3\u4e48\u4f60\u7b2c\u4e00\u4e2a\u6570\u62a5\u51e0\uff1f



16.\u4e00\u672c\u5c0f\u8bf4\u7684\u9875\u7801\uff0c\u5728\u5370\u5237\u65f6\u5fc5\u987b\u75281989\u4e2a\u94c5\u5b57\uff0c\u5728\u8fd9\u4e00\u672c\u4e66\u7684\u9875\u7801\u4e2d\u6570\u5b571\u51fa\u73b0\u591a\u5c11\u6b21\uff1f



17.\u628a23\u4e2a\u6570\uff1a3\uff0c33\uff0c333\uff0c\u2026\uff0c33\u20263\uff0823\u4e2a3\uff09\u76f8\u52a0\uff0c\u5219\u6240\u5f97\u7684\u548c\u7684\u672b\u56db\u4f4d\u6570\u662f\u591a\u5c11\uff1f



18.\u5c061\u30011\u30012\u30012\u30013\u30013\u30014\u30014\u8fd9\u516b\u4e2a\u6570\u5b57\u6392\u6210\u4e00\u4e2a\u516b\u4f4d\u6570\uff0c\u4f7f\u5f97\u4e24\u4e2a1\u4e4b\u95f4\u6709\u4e00\u4e2a\u6570\u5b57\uff0c\u4e24\u4e2a2\u4e4b\u95f4\u6709\u4e8c\u4e2a\u6570\u5b57\uff0c\u4e24\u4e2a3\u4e4b\u95f4\u6709\u4e09\u4e2a\u6570\u5b57\uff0c\u4e24\u4e2a4\u4e4b\u95f4\u6709\u56db\u4e2a\u6570\u5b57\uff0c\u90a3\u4e48\u8fd9\u6837\u7684\u516b\u4f4d\u6570\u4e2d\u6700\u5c0f\u7684\u662f\uff1f



19.\u4ece 1\uff0c 2\uff0c 3\uff0c\u2026\uff0c2004\uff0c 2005\u8fd9\u4e9b\u81ea\u7136\u6570\u4e2d\uff0c\u6700\u591a\u53ef\u4ee5\u53d6\u51e0\u4e2a\u6570\uff0c\u624d\u80fd\u4f7f\u5176\u4e2d\u6bcf\u4e24\u4e2a\u6570\u7684\u5dee\u4e0d\u7b49\u4e8e4\uff1f



20.\u6709\u4e00\u4e2a\u7535\u8bdd\u53f7\u7801\u662f\u516d\u4f4d\u6570\uff0c\u5176\u4e2d\u5de6\u8fb9\u4e09\u4e2a\u6570\u5b57\u76f8\u540c\uff0c\u53f3\u8fb9\u4e09\u4e2a\u6570\u5b57\u662f\u4e09\u4e2a\u8fde\u7eed\u7684\u81ea\u7136\u6570\uff0c\u516d\u4e2a\u6570\u5b57\u4e4b\u548c\u6070\u597d\u7b49\u4e8e\u672b\u5c3e\u7684\u4e24\u4f4d\u6570\uff0c\u8fd9\u4e2a\u7535\u8bdd\u53f7\u7801\u662f\u591a\u5c11\uff1f



21.\u82e5a\u4e3a\u81ea\u7136\u6570\uff0c\u8bc1\u660e10\u2502\uff08a2005\uff0da1949\uff09\uff0e



22.\u7ed9\u51fa12\u4e2a\u5f7c\u6b64\u4e0d\u540c\u7684\u4e24\u4f4d\u6570\uff0c\u8bc1\u660e\uff1a\u7531\u5b83\u4eec\u4e2d\u4e00\u5b9a\u53ef\u4ee5\u9009\u51fa\u4e24\u4e2a\u6570\uff0c\u5b83\u4eec\u7684\u5dee\u662f\u4e24\u4e2a\u76f8\u540c\u6570\u5b57\u7ec4\u6210\u7684\u4e24\u4f4d\u6570\uff0e



23.\u6c42\u88ab3\u9664\u4f592\uff0c\u88ab5\u9664\u4f593\uff0c\u88ab7\u9664\u4f595\u7684\u6700\u5c0f\u4e09\u4f4d\u6570\uff0e



24.\u8bbe2n\uff0b1\u662f\u8d28\u6570\uff0c\u8bc1\u660e\uff1a12\uff0c22\uff0c\u2026\uff0cn2\u88ab2n\uff0b1\u9664\u6240\u5f97\u7684\u4f59\u6570\u5404\u4e0d\u76f8\u540c\uff0e



25.\u8bd5\u8bc1\u4e0d\u5c0f\u4e8e5\u7684\u8d28\u6570\u7684\u5e73\u65b9\u4e0e1\u7684\u5dee\u5fc5\u80fd\u88ab24\u6574\u9664\uff0e



26. \u6709\u7532\u4e59\u4e24\u79cd\u7cd6\u6c34\uff0c\u7532\u542b\u7cd6270\u514b\uff0c\u542b\u6c3430\u514b\uff0c\u4e59\u542b\u7cd6400\u514b\uff0c\u542b\u6c34100\u514b\uff0c\u73b0\u8981\u5f97\u5230\u6d53\u5ea6\u662f82.5%\u7684\u7cd6\u6c34100\u514b\uff0c\u95ee\u6bcf\u79cd\u5e94\u53d6\u591a\u5c11\u514b\uff1f



27. \u4e00\u4e2a\u5bb9\u5668\u91cc\u88c5\u670910\u5347\u7eaf\u9152\u7cbe,\u5012\u51fa1\u5347\u540e,\u7528\u6c34\u52a0\u6ee1,\u518d\u5012\u51fa1\u5347,\u7528\u6c34\u52a0\u6ee1,\u518d\u5012\u51fa1\u5347,\u7528\u6c34\u52a0\u6ee1,\u8fd9\u65f6\u5bb9\u5668\u5185\u7684\u9152\u7cbe\u6eb6\u6db2\u7684\u6d53\u5ea6\u662f?



28. \u6709\u82e5\u5e72\u5343\u514b4%\u7684\u76d0\u6c34,\u84b8\u53d1\u4e86\u4e00\u4e9b\u6c34\u5206\u540e\u53d8\u6210\u4e8610%\u7684\u76d0\u6c34,\u5728\u52a0300\u514b4%\u7684\u76d0\u6c34,\u6df7\u5408\u540e\u53d8\u62106.4%\u7684\u76d0\u6c34,\u95ee\u6700\u521d\u7684\u76d0\u6c34\u662f\u591a\u5c11\u5343\u514b?



29.\u5df2\u77e5\u76d0\u6c34\u82e5\u5e72\u514b\uff0c\u7b2c\u4e00\u6b21\u52a0\u5165\u4e00\u5b9a\u91cf\u7684\u6c34\u540e\uff0c\u76d0\u6c34\u6d53\u5ea6\u53d8\u4e3a3\uff05\uff0c\u7b2c\u4e8c\u6b21\u52a0\u5165\u540c\u6837\u591a\u7684\u6c34\u540e\uff0c\u76d0\u6c34\u6d53\u5ea6\u53d8\u4e3a2\uff05\u3002\u6c42\u7b2c\u4e09\u6b21\u52a0\u5165\u540c\u6837\u591a\u7684\u6c34\u540e\u76d0\u6c34\u7684\u6d53\u5ea6\u3002



30.\u6709A\u3001B\u3001C\u4e09\u79cd\u76d0\u6c34\uff0c\u6309A\u4e0eB\u7684\u6570\u91cf\u4e4b\u6bd4\u4e3a2\uff1a1\u6df7\u5408\uff0c\u5f97\u5230\u6d53\u5ea6\u4e3a13\uff05\u7684\u76d0\u6c34\uff1b\u6309A\u4e0eB\u7684\u6570\u91cf\u4e4b\u6bd4\u4e3a1\uff1a2\u6df7\u5408\uff0c\u5f97\u5230\u6d53\u5ea6\u4e3a14\uff05\u7684\u76d0\u6c34\uff1b\u6309A\u3001B\u3001C\u7684\u6570\u91cf\u4e4b\u6bd4\u4e3a1\uff1a1\uff1a3\u6df7\u5408\uff0c\u5f97\u5230\u6d53\u5ea6\u4e3a10.2\uff05\u7684\u76d0\u6c34\uff0c\u95ee\u76d0\u6c34C\u7684\u6d53\u5ea6\u662f\u591a\u5c11\uff1f
1.\u82f9\u679c1000\u514b\uff0c\u96ea\u68a8500\u514b\uff0c\u871c\u68432000\u514b\uff0c\u97006\u5143\uff0c\u5982\u679c\u82f9\u679c2000\u514b\uff0c\u96ea\u68a81000\u514b\uff0c\u871c\u68431000\u514b\uff0c\u97004\u5143\uff0c\u73b0\u4e70\u82f9\u679c2000\u514b\uff0c\u96ea\u68a81000\u514b\uff0c\u871c\u68432500\u514b\uff0c\u9700\u51e0\u5143\uff1f
\u5047\u8bbe\u82f9\u679c\u6bcf\u514bX\u5458,\u68a8Y\u5143,\u6843Z\u5143
\u53ef\u4ee5\u5217\u51fa\u65b9\u7a0b 1000X+500Y+2000Z=6 \u65b9\u7a0b1
2000X+1000Y+1000Z=4 \u65b9\u7a0b2
\u65b9\u7a0b1\u4e24\u8fb9\u540c\u65f6\u4e582 \u5f97\u5230 2000X+1000Y+4000Z=12 \u65b9\u7a0b3
\u65b9\u7a0b3-\u65b9\u7a0b2\u5f97 3000Z=8 Z=8/3000
\u8981\u6c42\u7684\u65b9\u7a0b\u662f 2000X+1000Y+2500Z
\u5f88\u660e\u663e,\u7531\u4e8e\u5df2\u7ecf\u77e5\u9053\u4e86Z=8/3000
\u901a\u8fc7\u65b9\u7a0b3\u53ef\u4ee5\u5f97\u5230 2000X+1000Y=4/3 \u5143
\u6240\u4ee52000X+1000Y+2500Z=4/3+2500\u00b78/3000=8 \u5143
2.\u75281\u30012\u30013\u30014\u30015\u30016\u30017\u8fd9\u4e03\u4e2a\u6570\u5b57\u7ec4\u6210\u4e09\u4e2a\u4e24\u4f4d\u6570\uff0c\u4e00\u4e2a\u4e00\u4f4d\u6570\uff0c\u5e76\u4e14\u4f7f\u8fd9\u56db\u4e2a\u6570\u7684\u548c\u7b49\u4e8e100\uff0c\u5982\u679c\u8981\u6c42\u6700\u5c0f\u7684\u4e24\u4f4d\u6570\u5c3d\u53ef\u80fd\u5c0f\uff0c\u90a3\u4e48\u5176\u4e2d\u6700\u5927\u7684\u4e24\u4f4d\u6570\u662f\u591a\u5c11\uff1f
12+35+46+7=100 12+36+45+7=100 12+35+47+6=100 12+36+47+5=100 12+37+46+5=100 12+37+45+6=100
3.\u4e00\u6761\u7ef3\u5b50\u5206\u6210\u4e94\u6bb5\u6bd4\u5206\u6210\u4e03\u6bb5\uff0c\u6bcf\u6bb5\u591a6\u5398\u7c73\uff0c\u8fd9\u6761\u7ef3\u5b50\u957f\u591a\u5c11\u5398\u7c73\uff1f
\u8bbe\u7ef3\u5b50\u4e3ax\u5398\u7c73.
x/5-x/7=6
7x-5x=210
2x=210
x=105
4.\u6709A,B\u4e24\u6570,A\u5206\u4e4b1-B\u5206\u4e4b1=182\u5206\u4e4b1,A:B=7:13,A+B=?
A:B=7:13
A=7B/13
1/A=13/7B
1/A-1/B=1/182
13/7B-1/B=1/182
\uff0813-7\uff09/7B=1/182
6/7B=1/182
7B=182\u00d76
B=156
A=7\u00d7156\u00f713=84
A+B=84+156=240
1\u3001\u5c0f\u660e\u7684\u7535\u8bdd\u662f\u516d\u4f4d\u6570\uff0c\u540e\u6765\u6362\u4e86\u4e00\u4e2a\u7535\u8bdd\uff0c\u5728\u539f\u6765\u7535\u8bdd\u53f7\u7801\u7684\u7b2c\u4e00\u4f4d\u524d\u52a0\u4e86\u4e00\u4e2a2\uff0c\u5728\u7b2c\u4e8c\u548c\u4e09\u4e4b\u95f4\u52a0\u4e86\u4e00\u4e2a8 \uff0c \u540e\u6765\u53d1\u73b0\u65b0\u53f7\u7801\u662f\u8001\u53f7\u7801\u768481\u500d\uff0c\u95ee\u8001\u53f7\u7801

2\u3001X=(b/a),a\u4e0eb\u4e92\u8d28\uff0c \uff08\u221a3\uff09-1>X>(\u221a2)-1 ,\u95eeX\u53ef\u80fd\u7684\u503c

3\u3001\u4e00\u4e2a\u6b63\u4e94\u8fb9\u5f62\u7684\u8dd1\u9053\uff0c5\u4e2a\u9876\u70b9\u5206\u522b\u662fA\u3001B\u3001C\u3001D\u3001E \uff0c\u4e94\u8fb9\u5f62\u7684\u8fb9\u957f\u4e3a200M\uff0c\u5c0f\u660e\u5728A\u70b9\uff0c\u901f\u5ea6\u4e3a50m/min \uff0c\u5c0f\u534e\u5728C\u70b9\uff0c\u901f\u5ea6\u4e3a46m/min \uff0c\u5c0f\u660e\u8ffd\u5c0f\u534e\uff0c\u95ee\u51e0\u5206\u949f\u540e\u4ed6\u4eec\u5728\u540c\u4e00\u6761\u8dd1\u9053\u4e0a\uff1f

4\u3001\u7528\u51e0\u5200\u53ef\u4ee5\u628a\u4e00\u4e2a\u6b63\u65b9\u5f62\u5206\u621034\u4e2a62\u8fb9\u5f62\uff1f

5.\u82e5a+b+c=0,\u5316\u7b80:a(1/b+1/c)+b(1/c+1/a)+c(1/a+1/b)+3

6.\u82e5(2x-1)^5=a5x^(5)+a4x^(4)+a3x^(3)+a2x^(2)+a1x^(1)+a0x^0.
\u5219a0-a1+a2-a3+a4-a5(\u6ce8\u610f\u8fd9\u91cc\u7684^\u662f\u6b21\u65b9\u7684\u610f\u601d.\u5982^3,\u5c31\u662f\u4e09\u6b21\u65b9.\u8fd8\u6709a5\u2260a^5.a1,a2,a3\u53ea\u662f\u5b57\u6bcd\u6765\u5f97.\u4e0d\u662f\u6b21\u6570.\u6709^\u7684\u624d\u662f\u6b21\u6570.

7.\u4e00\u7267\u573a\u4e0a\u7684\u9752\u8349\u6bcf\u5929\u90fd\u5300\u901f\u751f\u957f\u3002\u8fd9\u7247\u9752\u8349\u53ef\u4f9b27\u5934\u725b\u54036\u5468\uff0c\u6216\u4f9b23\u5934\u725b\u54039\u5468\u3002\u90a3\u4e48\u53ef\u4f9b21\u5934\u725b\u5403\u51e0\u5468\uff1f
\u89e3\uff1a\u5c061\u5934\u725b1\u5468\u5403\u7684\u8349\u770b\u505a1\u4efd\uff0c\u521927\u5934\u725b6\u5468\u5403162\u4efd\uff0c23\u5934\u725b9\u5468\u5403207\u4efd\uff0c\u8fd9\u8bf4\u660e3\u5468\u65f6\u95f4\u7267\u573a\u957f\u8349207-162\uff1d45\uff08\u4efd\uff09\uff0c\u5373\u6bcf\u5468\u957f\u834915\u4efd\uff0c\u7267\u573a\u539f\u6709\u8349162\uff0d15\u00d76\uff1d72\uff08\u4efd\uff09\u300221\u5934\u725b\u4e2d\u768415\u5934\u725b\u5403\u65b0\u957f\u51fa\u7684\u8349\uff0c\u5269\u4e0b\u76846\u5934\u725b\u5403\u539f\u6709\u7684\u8349\uff0c\u5403\u5b8c\u970072\u00f76\uff1d12\uff08\u5468\uff09\u3002

8.\u7531\u4e8e\u5929\u6c14\u9010\u6e10\u53d8\u51b7\uff0c\u7267\u573a\u4e0a\u7684\u8349\u6bcf\u5929\u4ee5\u5747\u5300\u7684\u901f\u5ea6\u51cf\u5c11\u3002\u7ecf\u8ba1\u7b97\uff0c\u7267\u573a\u4e0a\u7684\u8349\u53ef\u4f9b20\u5934\u725b\u54035\u5929\uff0c\u6216\u53ef\u4f9b16\u5934\u725b\u54036\u5929\u3002\u90a3\u4e48\uff0c\u53ef\u4f9b11\u5934\u725b\u5403\u51e0\u5929\uff1f

9.\u5341\u68f5\u6811\u683d\u62105\u884c\uff0c\u8981\u6c42\u6bcf\u884c4\u68f5\u600e\u4e48\u8f7d\uff1f

10.\u4e24\u6839\u94c1\u4e1d\u5171\u957f44\u7c73,\u82e5\u628a\u7b2c\u4e00\u6839\u622a\u53bb1/5,\u7b2c\u4e8c\u6839\u7528\u710a\u63a5\u52a0\u957f2.8\u7c73,\u5219\u4e24\u6839\u957f\u5ea6\u76f8\u7b49.\u6c42\u4e24\u6839\u94c1\u4e1d\u539f\u6765\u5404\u6709\u51e0\u7c73?

11.\u5b66\u6821\u690d\u6811,\u7b2c\u4e00\u5929\u5b8c\u6210\u4e86\u4efb\u52a1\u76843/8,\u7b2c\u4e8c\u5929\u5b8c\u6210\u4e86\u4f59\u4e0b\u76842/3,\u7b2c\u4e09\u5929\u690d\u681155\u68f5,\u7ed3\u679c\u8d85\u8fc7\u8ba1\u5212\u76841/4,\u90a3\u4e48\u539f\u8ba1\u5212\u690d\u6811\u591a\u5c11\u68f5?

12.\u7532\u4e59\u4e24\u8f66\u5206\u522b\u4eceAB\u4e24\u5730\u76f8\u5bf9\u5f00\u51fa,\u7ecf2\u5c0f\u65f6\u76f8\u9047,\u76f8\u9047\u540e\u5404\u81ea\u7ee7\u7eed\u524d\u8fdb,\u6709\u7ecf1.5\u5c0f\u65f6,\u7532\u8f66\u5230B\u5730,\u8fd9\u65f6\u4e59\u8f66\u8dddA\u5730\u8fd8\u670935\u5343\u7c73,\u6c42AB\u4e24\u5730\u7684\u8ddd\u79bb\u3002

13.\u67d0\u706b\u8f66\u7ad9\u68c0\u7968\u53e3\u5728\u68c0\u7968\u524d\u5df2\u7ecf\u6709\u4e00\u4e9b\u4eba\u6392\u961f\uff0c\u68c0\u7968\u5f00\u59cb\u540e\u6bcf\u5206\u949f\u670910\u4eba\u524d\u6765\u6392\u961f\u68c0\u7968\uff0c\u4e00\u4e2a\u68c0\u7968\u53e3\u6bcf\u5206\u949f\u80fd\u68c025\u5f20\u7968\u3002\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u68c0\u7968\u53e3\u68c0\u7968\uff0c8\u5206\u949f\u5c31\u6ca1\u6709\u4eba\u6392\u961f\u4e86\uff0c\u5982\u679c\u6709\u4e24\u4e2a\u68c0\u7968\u53e3\u540c\u65f6\u68c0\u7968\uff0c\u51e0\u5206\u949f\u540e\u5c31\u6ca1\u6709\u4eba\u6392\u961f\u4e86\uff1f

14.\uff089991\u4e58\u4ee51999.1999\u52a0\u4e0a9991.9991\u4e58\u4ee51999\uff09\u9664\u4ee52.0002
15.\u670915\u53ea\u676f\u53e3\u5411\u4e0b\u7684\u8336\u676f,\u6bcf\u6b21\u5c06\u5176\u4e2d6\u53ea\u8336\u676f\u540c\u65f6\u7ffb\u8f6c,\u4f7f\u676f\u53e3\u5411\u4e0a\u79f0\u4e3a\u4e00\u6b21\u64cd\u4f5c.\u95ee\u80fd\u5426\u7ecf\u8fc7\u82e5\u5e72\u6b21\u64cd\u4f5c,\u4f7f15\u53ea\u8336\u676f\u5168\u90e8\u676f\u53e3\u5411\u4e0a?\u4e3a\u4ec0\u4e48?
16.\u8bf7\u628a2-9\u8fd98\u4e2a\u6570\u5b57\uff0c\u5206\u522b\u586b\u5165\u62ec\u53f7\u4e2d\uff0c\u4f7f\u524d5\u4e2a\u6570\u4e0e\u540e4\u4e2a\u6570\u4e4b\u548c\u76f8\u7b49\uff0c\u524d5\u4e2a\u6570\u5b57\u7684\u5e73\u65b9\u4e0e\u540e4\u4e2a\u6570\u7684\u5e73\u65b9\u76f8\u7b49\u3002 \uff08\uff09-\uff08\uff09-\uff08\uff09-\uff08\uff09-\uff08\uff09-()-\uff08\uff09\u2014\uff08\uff09
1\uff0e \u8ba1\u7b97\uff1a-3.875\u00d7(0.775- )\u00f7 =______\u3002
2\uff0e \u5728-44\uff0c-43\uff0c-42\uff0c\u2026 \uff0c1995\uff0c1996\u8fd9\u4e00\u4e32\u8fde\u7eed\u6574\u6570\u4e2d\uff0c\u524d100\u4e2a\u8fde\u7eed\u6574\u6570\u7684\u548c\u662f____\u3002
3\uff0e \u8ba1\u7b97\uff1a\uff081\uff094\u00d7\uff08-123\uff09+\uff08-5\uff09\u00d7125-127\u00d74-75\u00d75=__________\u3002
\uff082\uff092001\u00d720002000-2000\u00d720012001=_________\u3002
4\uff0e \u8ba1\u7b97\uff1a =_________\u3002
5\uff0e \u8ba1\u7b97\uff1a =________\u3002
6\uff0e \u8ba1\u7b97\uff1a =__________\u3002
7\uff0e \u8ba1\u7b97\uff1a =_________\u3002
8\uff0e 1999\u52a0\u4e0a\u5b83\u7684 \u5f97\u5230\u4e00\u4e2a\u6570\uff0c\u518d\u52a0\u4e0a\u6240\u5f97\u6570\u7684 \u53c8\u5f97\u5230\u4e00\u4e2a\u6570\uff0c\u518d\u52a0\u4e0a\u8fd9\u6b21\u6240\u5f97\u6570\u7684 \u53c8\u5f97\u5230\u4e00\u4e2a\u6570\uff0c \u2026\u2026\u3002\u4f9d\u6b21\u7c7b\u63a8\uff0c\u4e00\u76f4\u52a0\u5230\u4e0a\u4e00\u6b21\u5f97\u6570\u7684 \uff0c\u90a3\u4e48\u6700\u540e\u5f97\u5230\u7684\u6570\u662f________\u3002
9\uff0e \u8ba1\u7b97\uff1a \u00f7 =_________\u3002
10\uff0e \u8ba1\u7b97\uff1a199+298+397+\u2026+991+1090+1189+\u2026+9802+9901=__________\u3002
11\uff0e \u5982\u679c (n=1,2,3,\u2026,1995),\u90a3\u4e48\uff0c\u5f53a1=1\u65f6\uff0ca1a2+a2a3+a3a4+\u2026+a1995a1996\u7684\u503c\u7b49\u4e8e_______\u3002
12\uff0e \u8ba1\u7b97\uff1a0.0938\u00d76210-[210\u00d70.0068+(13.9\u00d715.7+0.63\u00d7278-1.57\u00d776)\u00f715]=_________\u3002
13\uff0e \u8ba1\u7b97\uff1a1+
14\uff0e \u8ba1\u7b97\uff1a
-
15\uff0e \u949f\u9762\u4e0a\u67091\uff0c2\uff0c3\uff0c\u2026\uff0c11\uff0c12\u517112\u4e2a\u6570\u5b57\u3002
\uff081\uff09 \u8bd5\u5728\u67d0\u4e9b\u6570\u5b57\u7684\u524d\u9762\u6dfb\u52a0\u8d1f\u53f7\uff0c\u4f7f\u5b83\u4eec\u7684\u4ee3\u6570\u548c\u4e3a\u96f6\uff1b
\uff082\uff09 \u5728\u89e3\u9898\u8fc7\u7a0b\u4e2d\uff0c\u4f60\u80fd\u603b\u7ed3\u51fa\u4e00\u4e9b\u4ec0\u4e48\u6570\u5b66\u89c4\u5f8b\uff1f

\u6309\u7167\u8fd0\u7b97\u987a\u5e8f\u628a\u8ba1\u7b97\u8fc7\u7a0b\u4f9d\u6b21\u7528\u7b49\u5f0f\u8868\u793a\u51fa\u6765\u3002
\uff081\uff09485 - ( 6 \u00d7 4 + 32 )
= 485 - ( 24 + 32 )
= 485 - 56
= 429
\uff082\uff091000 - ( 500 + 499 + 1 )
= 1000 - 1000
= 0
\uff083\uff093651 \u00d7 { 452 - [ 52 + ( 500 - 100 ) ] }
= 3651 \u00d7 { 452 - [ 52 + 400 ] }
= 3651 \u00d7{ 452 - 452 }
= 3651 \u00d7 0
= 0
\uff084\uff0956\u00d7125+8
=7000+8
=7008
\uff085\uff0932\u00d7(25+125)
\uff1d4\u00d78\u00d7\uff0825+125\uff09
\uff1d4\u00d78\u00d725\uff0b8\u00d7125\u00d74
\uff1d800\uff0b4000
\uff1d4800

23.5+14.8+36.5
=23.5+36.5+14.8
=60+14.8
=74.8

19.4+30.6+45.62
=50+45.62
=95.62

33.5+24.9+51.3
=58.4+51.3
=109.7

39.7×2.8+3.97×72
=3.97×10×2.8+3.97×72
=3.97×28+3.97×72
=3.97×(28+72)
=3.97×100
=397

32×1.2×52
=38.4×52
=1996.8

1.2×2+2.8×2
=【1.2+2.8】×2
=4×2
=8
2.5×2-1.5×2
=[2.5-1.5]×2
=1×2
=2

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

.用简便方法计算:
(1)3786-499
2)32×25×125
(3)1653-338-662
(4)7987+350+2013+450
(5)38×38+62×38
(6)452+99×452
(7)201×79
(8)50×125×4×8

计算下面各题:
(1)340×(120-40÷8)
(2)45×(720-1957÷19)
(3)86+[4500+(2088÷36)÷2]
(4)396×[74-(4875÷15-13×21)]
(5)[1054-(174-168)]÷8
(6)6048÷[(107-99)×9]
(7) (79+92+121)+108
(8) (37+56+63)+44=

要我的求求你了,我找了好久

加减法的简便运算题(一)
1) 713-(387+313) 2) 866-370-130 9) 480-78-116-206= 10) 982+(30-482)= 17) 760-(2+79)-319 18) 200-93
3)556-98-(170+32) 4) 606-303 11) 656-(300-144)= 12) 514+(434-14)= 19) 227-(170+27) 20) 282-9-(1+190)
5) 529-(388-271) 6) 397-196 13) 756-272-(51+77) 14) 594+(193-94)= 21) 152-31-(12+57) 22) 365-(55+89)-56
7) 369-(246+69) 8) 594-300 15) 146-(56-54) 16) 597-196-104= 23) 206-106 24) 392-(109+54)-37
25) 344-143-95-62 26) 399-195 33) 753-449-51 34) 399-30-(123+147) 41) 699-(25+299) 42) 122+(55-22)
27) 266-(158+66) 28) 400-199 35) 561-(171+114)-115 36) 333-(191-67) 43) 820-93-407 44) 630-103-12-385
29) 349-(24+51)-125 30) 807-401 37) 405-(46+41)-213 38) 617-60-(201+239) 45) 254-(186-146) 46) 761-(191+261)
31) 377-(131-23) 32) 599-300 39) 842-12-135-353 40) 234-(181-166) 47) 709-(102+39)-259 48) 207-96

加法运算定律的简便运算题(一)
1) 500+(407+0)= 2) 386+382+114= 11) (404+195+96)+305= 12) 793+393=
3) 42+(91+158+109)= 4) (87+103+113)+97= 13) (106+45+94)+155= 14) 433+(477+67)+23=
5) (246+387+154)+13= 6) 49+(71+151+129)= 15) 25+(251+275+49)= 16) 51+(5+49)=
7) 255+(79+45)= 8) (169+39+131)+261= 17) (83+33+17)+67= 18) 196+97=
9) 219+175+181+225= 10) 14+498+486= 19) 41+(33+59)= 20) 290+171+210+329=
21) 1000+499= 22) 226+(166+74)= 31) 56+(143+144)= 32) (259+349+141)+51=
23) 63+(82+137)+118= 24) 354+479+146= 33) (198+252+102)+48= 34) 80+(43+20+57)=
25) 76+(44+124)+156= 26) 270+(96+230+404)= 35) 434+238+66= 36) 92+(34+108)+166=
27) 108+215+292+185= 28) (89+89)+(11+11)= 37) 82+(78+218+222)= 38) (54+150)+(146+50)=
29) 108+(221+192+79)= 30) 257+60+143+340= 39) 254+(144+246+356)= 40) 176+(236+124)+64=
41) 62+219+238+81= 42) (6+66+94)+34=
43) (140+125+160)+175= 44) 13+(287+387)=
45) 200+95= 46) 1002+495=
47) 370+430+130= 48) 159+140+41+60=
49) 195+(141+205+259)= 50) 31+(62+69)=

四则混合运算的简便运算题(一)
1) 444-(387-356)= 2) 5502÷21= 11) 25×192×125 12) 304+(166-104)=
3) 96+4×96+4 4)25×128×125 13) 282×135+365×282 14) 183×3-3-3×82=
5) 100÷4×25÷5 6) 330×119+381×330 15) (155+356)+(345+144) 16) 62+(79+38)+21=
7) (79+92+121)+108 8) (37+56+63)+44= 17) 88×125 18) 289+(376+111+24)
9) 144-2-30-68 10) 103×91= 19) (56+98)+(44+2) 20) 89+(155+111+45)
21) 124+(261+176+39) 22) 297-0-(0+200) 31) 342×372+28×342 32) 645-200-200=
23) 67+71+233+229 24) 376×1-1-1×175 33) 149+(208+251)+192 34) (34+261+366)+139
25) 214×71+429×214 26) 9100÷175÷4= 35) 64×125 36) 250-57-143=
27) 108+(16-8) 28) 58+156+142= 37) (33+65+67)+35 38) 4075÷25
29) 2×258+2+41×2 30) 25×32×125= 39) (315+299+85)+101 40) 168-8-92

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