急求60道初一有理数混合运算计算题！！要过程！带乘方！ 求50道初一有理数计算题，带答案！
\u6211\u662f\u4e00\u4e2a\u521d\u4e00\u65b0\u751f\uff0c\u8981\u627e70\u9053\u6709\u7406\u6570\u52a0\u51cf\u4e58\u9664\u4e58\u65b9\u6df7\u5408\u8fd0\u7b97\u7684\u98981) (-9)-(-13)+(-20)+(-2)
(2) 3+13-(-7)/6
(3) (-2)-8-14-13
(4) (-7)*(-1)/7+8
(5) (-11)*4-(-18)/18
(6) 4+(-11)-1/(-3)
(7) (-17)-6-16/(-18)
(8) 5/7+(-1)-(-8)
(9) (-1)*(-1)+15+1
(10) 3-(-5)*3/(-15)
(11) 6*(-14)-(-14)+([|-98|+76+(-87)]-23[56+(-75)-(7)]-(8+4+3)
-(-89)+|-87|-23+[-75-(7)+76]-(10+39-24)
|-9.8|+(-4.6)-[8.7-(-1.3)]+(-5.4)-(-0.2)
[-(-84)+46]-|-9.1|+(+1.9)
[-(-90)+(-34)]-(+43)+(-57)+10
5+21+8/2-6-59
68/21-8-11-8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4+(-0.4)]/1/3+2
22+(-4)+(-2)+4-3
-2+8-8-1/2+8/1/8
(2/3+1/2)/(-1/12)+(-12)
2/(-2)+0/7-(-8)-(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)+(-2)
(5+3/8-8/30/(-2)-3
(-84)/2+(-3)/(-6)
1/2-(-4/15)/2/3
\uff08-5\uff09-\uff08+3\uff09+\uff08-9\uff09-\uff08-7\uff09
\uff08-5\uff09+\uff08+8\uff09-\uff08+2\uff09-\uff08-3\uff09
5-\uff08-3 \uff09-\uff08+7\uff09-2
\uff08-21\uff09+\uff08+16\uff09-\uff08-13\uff09-\uff08+7\uff09+\uff08-6\uff09
2 -\uff08- \uff09+\uff08-0.5\uff09+(+2)-(+ )-2
(-7)-(+5)+(+3)-(-9)
-(+2 )-(-1 )-(+3 )
-14 5 (-3)=-12
-12 (-7) (-5) (-6)
23.33-(+76.76)
(-6-24.3)-(-12+9.1)+(0-2.1)
6+(7-8)
(-78)+25+26+27
(-3)+(-2)+(-1)
39+28+26-125
[2/3-4-1/4+(-0.4)]+1/3+2
22+(-4)+(-2)+4-3
(-2)+7-(-16)-(-3)
(-5)-(+3)+(-9)-(-7)
(-1/4)+(-5/6)-(-1/3)+2/3-1/6
2/3+(-1/2)-(-1/3)+1/4
(-5)+(-8)-(-2)-3
(-21)+(+16)-(-13)-(+7)+(-6)
(-2/3)+(-1/3)+3/4+(-1/4)
(-0.73)+(-0.62)-(+0.75)
(-19)+(-11)-(-33)+27
(-6.4)+(-3.6)-(-12.5)+4.5
(-81)+(-19)-27+33
(-3.2)-(-6.2)+(-5.1)+(-4.9)
(-6.9)+(-3.1)+(+2.7)+(-2.1)
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+3/4+[-1/4]=
[-7/2]+5/6+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
-13)
(12) (-15)*(-13)-(-17)-(-4)
(13) (-20)/13/(-7)+11
(14) 8+(-1)/7+(-4)
(15) (-13)-(-9)*16*(-12)\u5206\u4eab\u7ed9\u4f60\u7684\u670b\u53cb\u5427\uff1ai\u8d34\u5427 \u65b0\u6d6a\u5fae\u535a\u817e\u8baf\u5fae\u535aQQ\u7a7a\u95f4\u4eba\u4eba\u7f51\u8c46\u74e3MSN
\u5bf9\u6211\u6709\u5e2e\u52a9
41\u56de\u7b54\u65f6\u95f4\uff1a2010-10-29 01:29 | \u6211\u6765\u8bc4\u8bba
\u5411TA\u6c42\u52a9 \u56de\u7b54\u8005\uff1a WERTY78965 | \u4e00\u7ea7
\u64c5\u957f\u9886\u57df\uff1a \u6682\u672a\u5b9a\u5236
\u53c2\u52a0\u7684\u6d3b\u52a8\uff1a \u6682\u65f6\u6ca1\u6709\u53c2\u52a0\u7684\u6d3b\u52a8
\u76f8\u5173\u5185\u5bb9
2009-10-6 \u521d\u4e0030\u9053\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\u7ec3\u4e60\u9898\uff0c\u53ea\u8981\u8ba1\u7b97\u9898\uff0c\u4e0d\u8981\u4e58\u65b9\u7684 282
2010-2-11 \u6c42\u521d\u4e00\u8ba1\u7b97\u9898(\u89e3\u65b9\u7a0b+\u5316\u7b80\u6c42\u503c+\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97)60\u9053\uff08\u540430\u9898\uff09 129
2011-3-17 \u6211\u8981\u521d\u4e00\u7684150\u9053\u8ba1\u7b97\u9898\u300160\u9053\u65b9\u7a0b\u300160\u9053\u6574\u5f0f\u8ba1\u7b97\u300130\u9053\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97 16
2007-11-4 \u6211\u6025\u9700\u521d\u4e00\u7684\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\uff0c\u4e58\u65b9\u7b97\u5f0f\uff0c\u8c01\u6709\u554a\uff1f
2010-10-7 \u521d\u4e00\u627e30\u9053\u6570\u5b66\u8ba1\u7b97\u9898\u3002\uff08\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\uff09 \u4e0d\u8981\u7b54\u6848\uff0c\u53ea\u8981\u9898\u76ee\u5c31\u884c\u5566\uff01... 13
\u66f4\u591a\u5173\u4e8e70\u9053\u6709\u7406\u6570\u52a0\u51cf\u4e58\u9664\u4e58\u65b9\u6df7\u5408\u8fd0\u7b97\u7684\u9898\u7684\u95ee\u9898>>
\u67e5\u770b\u540c\u4e3b\u9898\u95ee\u9898\uff1a \u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97 \u8ba1\u7b97\u9898 \u521d\u4e00 \u4e58\u65b9
\u7b49\u5f85\u60a8\u6765\u56de\u7b540\u56de\u7b5415\u8c01\u6709\u5168\u7403\u70ed\u604b\u4e2d baby\u5531\u7684say goodbye \u7684\u5b8c\u6574P3\u7248\u554a \u4e0d\u8981\u91cc\u9762\u5e26\u6709\u7535\u5f71....0\u56de\u7b54\u8c01\u4e3a\u6211\u603b\u7ed3\u8d77\u51e1\u4e0e\u7231\u60c5\u7684\u53e5\u5b50\uff01\u5982\u7231\u60c5\u5c31\u50cf\u66f9\u4e15\u7684E\uff0c\u8ddd\u79bb\u8d8a\u8fdc\u4f24\u5bb3\u8d8a\u9ad8\uff01.0\u56de\u7b54\u7535\u89c6\u5267\u300a\u5bab\uff0e\u9501\u5fc3\u7389\u300b\u7684\u5927\u7ed3\u5c40\u662f\u4ec0\u4e48\uff1f.1\u56de\u7b5452011\u5e74\u97e9\u56fd\u7535\u5f71\u6392\u884c\u699c \u8c22\u8c22\uff01\u662f\u7535\u5f71\uff0c\u4e00\u6b21\u6027\u653e\u5b8c\u7684\u7535\u5f71\uff0c\u4e0d\u662f\u7535\u89c6\u5267\uff0c....0\u56de\u7b54\u82e5a\u4e3a\u6709\u7406\u6570,\u5728-a\u4e0ea\u4e4b\u95f4\u67091999\u4e2a\u6574\u6570,\u95eea\u7684\u53d6\u503c\u8303\u56f4\u662f\u4ec0\u4e48?.0\u56de\u7b54\u516b\u5144\u5f1f\u5206\u96c6\u5267\u60c5\u4ecb\u7ecd\u5728\u54ea\u513f\uff1f.0\u56de\u7b5410\u7535\u89c6\u5267\u300a\u7231\u60c5\u516c\u5bd3\u300b\u91cc\u6545\u4e8b\u63a5\u9f99\u90a3\u4e00\u96c6\uff0c\u5b50\u4e54\u8bf4\u7684\u90a3\u51e0\u9a82\u4eba\u7684\u201c\u4f60\u5988\u5988\u7684....0\u56de\u7b54\u4e5d\u6c5f\u5341\u4e8c\u574a\u56fd\u8bed28\u96c6 \u4e5d\u6c5f\u5341\u4e8c\u574a29\u96c6\u5267\u60c5\u4ecb\u7ecd tvb\u4e5d\u6c5f\u5341\u4e8c\u574a\u7ca4\u8bed30\u96c6\u4e0b\u8f7dcell.\u66f4\u591a\u7b49\u5f85\u60a8\u6765\u56de\u7b54\u7684\u95ee\u9898>>\u5176\u4ed6\u56de\u7b54 \u51713\u6761
1. 2100-21\u00d753+2255
2. (103-336\u00f721)\u00d715
3. 800-(2000-9600\u00f78)
4. 40\u00d748-(1472+328)\u00f75
5. (488+344)\u00f7(202-194)
6. 2940\u00f728+136\u00d77
7. 605\u00d7(500-494)-1898
8. (2886+6618)\u00f7(400-346)
9. 9125-(182+35\u00d722)
10. (154-76)\u00d7(38+49)
11. 3800-136\u00d79-798
12. (104+246)\u00d7(98\u00f77)
13. 918\u00f79\u00d7(108-99)
14. (8645+40\u00d740)\u00f75
15. (2944+864)\u00f7(113-79)
16. 8080-1877+1881\u00f73
17. (5011-43\u00d785)+3397
18. 2300-1122\u00f7(21-15)
19. 816\u00f7(4526-251\u00d718)
20. (7353+927)\u00f7(801-792)
21. (28+172)\u00f7(24+16)
22. 6240\u00f748+63\u00d748
23. 950-28\u00d76+666
24. 86\u00d7(35+117\u00f79)
25. 2500+(360-160\u00f74)
26. 16\u00d74\uff0b6\u00d73
27.39\u00f73\uff0b48\u00f76
28.24\u00d74\uff0d42\u00f73
29.7\u00d76-12\u00d73
30.56\u00f74\uff0b72\u00f78
31 (-1)^100*5+(-2)^4/4=
32 (-3)^3-3*(-1/3)^4=
33 (-10)^3+[(-4)^2-(1-3^2)*2=
34 4+(-2)^3*5-(-0.28)/4=
35 (-10^10*2+(-2)^3/4=
36 (-5)^3-3*(-1/2)^4
37 (-10)^4+[(-4)^2-(3+3^2)*2]=
*\u662f\u4e58\uff0c/\u662f\u9664\uff0c^\u662f\u6b21\u65b9
1.25*\uff08-3\uff09+70*\uff08-5\uff09+5*\uff08-3\uff09+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 \u00d7 49/9 - 4/3
5. 8/9 \u00d7 15/36 + 1/27
6. 12\u00d7 5/6 \u2013 2/9 \u00d73
7. 8\u00d7 5/4 + 1/4
8. 6\u00f7 3/8 \u2013 3/8 \u00f76
9. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
10. 5/2 -\uff08 3/2 + 4/5 \uff09
11. 7/8 + \uff08 1/8 + 1/9 \uff09
12. 9 \u00d7 5/6 + 5/6
13. 3/4 \u00d7 8/9 - 1/3
14. 7 \u00d7 5/49 + 3/14
15. 6 \u00d7\uff08 1/2 + 2/3 \uff09
16. 8 \u00d7 4/5 + 8 \u00d7 11/5
17. 31 \u00d7 5/6 \u2013 5/6
18. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
19. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
20. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
21. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
22. 17/32 \u2013 3/4 \u00d7 9/24
23. 3 \u00d7 2/9 + 1/3
24. 5/7 \u00d7 3/25 + 3/7
25. 3/14 \u00d7\u00d7 2/3 + 1/6
26. 1/5 \u00d7 2/3 + 5/6
27. 9/22 + 1/11 \u00f7 1/2
28. 5/3 \u00d7 11/5 + 4/3
29. 45 \u00d7 2/3 + 1/3 \u00d7 15
30. 7/19 + 12/19 \u00d7 5/6
31. 1/4 + 3/4 \u00f7 2/3
32. 8/7 \u00d7 21/16 + 1/2
33. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
34.50\uff0b160\u00f740
35.120-144\u00f718+35
36.347+45\u00d72-4160\u00f752
37\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
38.95\u00f7\uff0864-45\uff09
39.178-145\u00f75\u00d76+42
40.812-700\u00f7\uff089+31\u00d711\uff09
41.85+14\u00d7\uff0814+208\u00f726\uff09
43.120-36\u00d74\u00f718+35
44.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
45.(6.8-6.8\u00d70.55)\u00f78.5
46.0.12\u00d7 4.8\u00f70.12\u00d74.8
47.\uff083.2\u00d71.5+2.5\uff09\u00f71.6
48.6-1.6\u00f74= 5.38+7.85-5.37=
49.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
50.6.5\u00d7\uff084.8-1.2\u00d74\uff09=
51.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
52.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
53.[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5
54.5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62]
55.12\u00d76\u00f7\uff0812-7.2\uff09-6
56.12\u00d76\u00f77.2-6
57.0.68\u00d71.9+0.32\u00d71.9
58.58+370\uff09\u00f7\uff0864-45\uff09
59.420+580-64\u00d721\u00f728
60.136+6\u00d7\uff0865-345\u00f723\uff09
15-10.75\u00d70.4-5.7
62.18.1\uff0b\uff083\uff0d0.299\u00f70.23\uff09\u00d71
63.(6.8-6.8\u00d70.55)\u00f78.5
64.0.12\u00d7 4.8\u00f70.12\u00d74.8
65.\uff083.2\u00d71.5+2.5\uff09\u00f71.6
66.3.2\u00d76+\uff081.5+2.5\uff09\u00f71.6
67.0.68\u00d71.9+0.32\u00d71.9
68.10.15-10.75\u00d70.4-5.7
69.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
70.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
71.[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5
72.5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62]
73.12\u00d76\u00f7\uff0812-7.2\uff09-6
74.12\u00d76\u00f77.2-6
75.33.02\uff0d\uff08148.4\uff0d90.85\uff09\u00f72.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 \u00d7 49/9 - 4/3
4) 9 \u00d7 15/36 + 1/27
5) 2\u00d7 5/6 \u2013 2/9 \u00d73
6) 3\u00d7 5/4 + 1/4
7) 94\u00f7 3/8 \u2013 3/8 \u00f76
8) 95/7 \u00d7 5/9 + 3/7 \u00d7 5/9
9) 6/2 -\uff08 3/2 + 4/5 \uff09
10) 8 + \uff08 1/8 + 1/9 \uff09
11) 8 \u00d7 5/6 + 5/6
12) 1/4 \u00d7 8/9 - 1/3
13) 10 \u00d7 5/49 + 3/14
14) 1.5 \u00d7\uff08 1/2 + 2/3 \uff09
15) 2\uff0f9 \u00d7 4/5 + 8 \u00d7 11/5
16) 3.1 \u00d7 5/6 \u2013 5/6
17) 4/7 - \uff08 2/7 \u2013 10/21 \uff09
18) 19 \u00d7 18 \u2013 14 \u00d7 2/7
19) 5 \u00d7 25/16 + 2/3 \u00d7 3/4
20) 4 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
21) 7/32 \u2013 3/4 \u00d7 9/24
22) 1\u3001 2/3\u00f71/2\uff0d1/4\u00d72/5
2\u3001 2\uff0d6/13\u00f79/26\uff0d2/3
3\u3001 2/9\uff0b1/2\u00f74/5\uff0b3/8
4\u3001 10\u00f75/9\uff0b1/6\u00d74
5\u3001 1/2\u00d72/5\uff0b9/10\u00f79/20
6\u3001 5/9\u00d73/10\uff0b2/7\u00f72/5
7\u3001 1/2\uff0b1/4\u00d74/5\uff0d1/8
8\u3001 3/4\u00d75/7\u00d74/3\uff0d1/2
9\u3001 23\uff0d8/9\u00d71/27\u00f71/27
10\u3001 8\u00d75/6\uff0b2/5\u00f74
11\u3001 1/2\uff0b3/4\u00d75/12\u00d74/5
12\u3001 8/9\u00d73/4\uff0d3/8\u00f73/4
13\u3001 5/8\u00f75/4\uff0b3/23\u00f79/11
23) 1.2\u00d72.5+0.8\u00d72.5
24) 8.9\u00d71.25-0.9\u00d71.25
25) 12.5\u00d77.4\u00d70.8
26) 9.9\u00d76.4-\uff082.5+0.24\uff09\uff0827\uff09 6.5\u00d79.5+6.5\u00d70.5
0.35\u00d71.6+0.35\u00d73.4
0.25\u00d78.6\u00d74
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9\u00d73-\uff0825-2.5\uff092\u00d741846-620-380
4.8\u00d746+4.8\u00d754
0.8+0.8\u00d72.5
1.25\u00d73.6\u00d78\u00d72.5-12.5\u00d72.4
28\u00d712.5-12.5\u00d720
23.65-\uff083.07+3.65\uff09
\uff084+0.4\u00d70.25\uff098\u00d77\u00d71.25
1.65\u00d799+1.65
27.85-\uff087.85+3.4\uff09
48\u00d71.25+50\u00d71.25\u00d70.2\u00d78
7.8\u00d79.9+0.78
(1010+309+4+681+6\uff09\u00d712
3\u00d79146\u00d7782\u00d76\u00d7854
5.15\u00d77/8+6.1-0.60625
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 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
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42.(6.8-6.8\u00d70.55)\u00f78.5
43.0.12\u00d7 4.8\u00f70.12\u00d74.8
44.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
45.6-1.6\u00f74= 5.38+7.85-5.37=
46.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
47.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
51.[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5
52.5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62]
53.12\u00d76\u00f7\uff0812-7.2\uff09-6 \uff084\uff0912\u00d76\u00f77.2-6
102\u00d7(-4.5)-(-3)\u00d7(-5) \u00f72
7.8\u00d76.9\uff0b2.2\u00d76.9
(-2)+2-(-52)\u00d7(-1) \u00d75+87\u00f7(-3)\u00d7(-1)
5.6\u00d70.258\u00d7\uff0820\uff0d1.25\uff09
(-7.1) \u00d7\u3014(-3)\u00d7(-5)\u3015\u00f72
-2.5\u00d7(-4.8)\u00d7(0.09)\u00f7(-0.27)
127+352+73+44\u00d7(-2)
89\u00d7276+(-135)-33
25\u00d771+75\u00f729 -88\u00f7(-2)
243+89+111+57
9405-2940\u00f728\u00d721
920-1680\u00f740\u00f77
690+47\u00d752-398
148+3328\u00f764-75
360\u00d724\u00f732+730
2100-94+48\u00d754
51+\uff082304-2042\uff09\u00d723
4215+\uff084361-716\uff09\u00f781
\uff08247+18\uff09\u00d727\u00f725
36-720\u00f7\uff08360\u00f718\uff09
1080\u00f7\uff0863-54\uff09\u00d780
\uff08528+912\uff09\u00d75-6178
8528\u00f741\u00d738-904
264+318-8280\u00f769
\uff08174+209\uff09\u00d726- (9000^0)
814-\uff08278+322\uff09\u00f715
1406+735\u00d79\u00f745
3168-7828\u00f738+504
796-5040\u00f7\uff08630\u00f77\uff09
285+\uff083000-372\uff09\u00f736
1+5/6-19/12
3x(-9)+7x(-9)
(-54)x1/6x(-1/3)
1.18.1\uff0b\uff083\uff0d0.299\u00f70.23\uff09\u00d71
2.(6.8-6.8\u00d70.55)\u00f78.5
3.0.12\u00d7 4.8\u00f70.12\u00d74.84
3.2\u00d71.5+2.5\u00f7(-1.6)
\uff08-2\uff09\u00d73.2\u00d7\uff081.5+2.5\uff09\u00f71.6
5.6-1.6\u00f74+(6.8-9)
5.38+7.85-5.37\u00f789
6.7.2\u00f70.8-1.2\u00d75
6-1.19\u00d73-0.43
7.6.5\u00d7\uff084.8-1.2\u00d74\uff09
0.68\u00d71.9+0.32\u00d71.9
8.10.15-10.75\u00d70.4-5.7
9.5.8\u00d7\uff083.87-0.13\uff09
(-8.01)+4.2\u00d73.74
10.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
11.[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5
12.5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62]
13.12\u00d76\u00f7\uff0812-7.2\uff09-6
14.12\u00d76\u00f77.2-6
15.33.02\uff0d\uff08148.4\uff0d90.85\uff09\u00f72.5
(-5)-252\u00d7\uff08-78\uff09
(-6) \u00d7(-2)+3\u00f7\uff085+50\uff09
7-7+3-6-\uff08-90\uff09
(-8)(-3)\u00d7(-8)\u00d725
(7+13) \u00f7(-616)\u00f7(-28)
\uff088+14-100-27\uff09\u00f74
(-15) \u00f7(-1)-101\u00f710
16\u00f70.21\u00d7(-8) \u00d7(4.1+5.9)
(-10) \u00d7(-2) \u00d74\u00f7{-9\u00f7[6+(-5.67)]}
(-18)(-4)2\u00d7[8.01\u00d7(-3.14)
9-32{-890-[79+8.1] \u00d79}
(-20)-23+(-9) \u00d79.42
(-24)3.4\u00d7104\u00f7(-5) \u00d7200.96
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1) +\u221a9
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2) \u00d72^7
(5+3/8*8/30/(-2)- \u221a36
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
1+2+3+4+......+100000
1/1+1/2+1/3+......1/50
1+1/2+1/4+1/8+1/16+......1/512
3+9+27+81+243+......9999
1+1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90 \u56de\u7b54\u8005\uff1a 3656686zwb | \u4e00\u7ea7 | 2010-10-30 16:44
1.345x0.345x2.96-1.345\uff08\u76843\u6b21\u65b9\uff09-1.345x0.345\uff08\u76842\u6b21\u65b9\uff09
=-1.345(1.345^2-2*1.345*0.345+0.345^2)
=-1.345(1.345-0.345)^2
=-1.345
1+\uff08-2\uff09+3+(-4)+......+\uff08-1\uff09\uff08\u7684n+1\u6b21\u65b9\uff09*n
n\u4e3a\u5947\u6570
1+(-2)+3+(-4)+......+[(-1)\u7684n+1\u6b21\u65b9]n
=[1+(-2)]+[3+(-4)]+....+[(-1)\u7684n+1\u6b21\u65b9]n
=(-1+ -1+...+ )+n
=(1-n)/2+n
=(n+1)/2
n\u4e3a\u5076\u6570
1+(-2)+3+(-4)+5+(-6)+......+[(-1)^\uff08n+1\uff09]n
\uff1d1+(3-2)+(5-4)+(7-6)......+(n-1-\uff08n-2))+\uff08-n\uff09
\uff1dn/2-n
\uff1d-n/2
\u6211\u53ea\u6709\u516d\u5341\u9053\u4e86\uff0c\u5176\u4f59\u4f60\u518d\u627e\u627e\u5427
\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97
\u6559\u5b66\u76ee\u6807
1\uff0e\u8fdb\u4e00\u6b65\u638c\u63e1\u6709\u7406\u6570\u7684\u8fd0\u7b97\u6cd5\u5219\u548c\u8fd0\u7b97\u5f8b\uff1b
2\uff0e\u4f7f\u5b66\u751f\u80fd\u591f\u719f\u7ec3\u5730\u6309\u6709\u7406\u6570\u8fd0\u7b97\u987a\u5e8f\u8fdb\u884c\u6df7\u5408\u8fd0\u7b97\uff1b
3\uff0e\u6ce8\u610f\u57f9\u517b\u5b66\u751f\u7684\u8fd0\u7b97\u80fd\u529b\uff0e
\u6559\u5b66\u91cd\u70b9\u548c\u96be\u70b9
\u91cd\u70b9\uff1a\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97\uff0e
\u96be\u70b9\uff1a\u51c6\u786e\u5730\u638c\u63e1\u6709\u7406\u6570\u7684\u8fd0\u7b97\u987a\u5e8f\u548c\u8fd0\u7b97\u4e2d\u7684\u7b26\u53f7\u95ee\u9898\uff0e
\u8bfe\u5802\u6559\u5b66\u8fc7\u7a0b\u8bbe\u8ba1
\u4e00\u3001\u4ece\u5b66\u751f\u539f\u6709\u8ba4\u77e5\u7ed3\u6784\u63d0\u51fa\u95ee\u9898
1\uff0e\u8ba1\u7b97(\u4e94\u5206\u949f\u7ec3\u4e60)\uff1a
(5)-252\uff1b (6)(-2)3\uff1b(7)-7+3-6\uff1b (8)(-3)\u00d7(-8)\u00d725\uff1b
(13)(-616)\u00f7(-28)\uff1b (14)-100-27\uff1b (15)(-1)101\uff1b (16)021\uff1b
(17)(-2)4\uff1b (18)(-4)2\uff1b (19)-32\uff1b (20)-23\uff1b
(24)3.4\u00d7104\u00f7(-5)\uff0e
2\uff0e\u8bf4\u4e00\u8bf4\u6211\u4eec\u5b66\u8fc7\u7684\u6709\u7406\u6570\u7684\u8fd0\u7b97\u5f8b\uff1a
\u52a0\u6cd5\u4ea4\u6362\u5f8b\uff1aa+b=b+a\uff1b
\u52a0\u6cd5\u7ed3\u5408\u5f8b\uff1a(a+b)+c=a+(b+c)\uff1b
\u4e58\u6cd5\u4ea4\u6362\u5f8b\uff1aab=ba\uff1b
\u4e58\u6cd5\u7ed3\u5408\u5f8b\uff1a(ab)c=a(bc)\uff1b
\u4e58\u6cd5\u5206\u914d\u5f8b\uff1aa(b+c)=ab+ac.
\u4e8c\u3001\u8bb2\u6388\u65b0\u8bfe
\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u5b66\u4e60\u4e86\u6709\u7406\u6570\u7684\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u3001\u4e58\u65b9\u7b49\u8fd0\u7b97\uff0c\u82e5\u5728\u4e00\u4e2a\u7b97\u5f0f\u91cc\uff0c\u542b\u6709\u4ee5\u4e0a\u7684\u6df7\u5408\u8fd0\u7b97\uff0c\u6309\u600e\u6837\u7684\u987a\u5e8f\u8fdb\u884c\u8fd0\u7b97\uff1f
1\uff0e\u5728\u53ea\u6709\u52a0\u51cf\u6216\u53ea\u6709\u4e58\u9664\u7684\u540c\u4e00\u7ea7\u8fd0\u7b97\u4e2d\uff0c\u6309\u7167\u5f0f\u5b50\u7684\u987a\u5e8f\u4ece\u5de6\u5411\u53f3\u4f9d\u6b21\u8fdb\u884c\uff0e
\u5ba1\u9898\uff1a(1)\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\uff1f
(2)\u7b26\u53f7\u5982\u4f55\uff1f
\u8bf4\u660e\uff1a\u542b\u6709\u5e26\u5206\u6570\u7684\u52a0\u51cf\u6cd5\uff0c\u65b9\u6cd5\u662f\u5c06\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\u76f8\u52a0\uff0c\u518d\u8ba1\u7b97\u7ed3\u679c\uff0e\u5e26\u5206\u6570\u5206\u6210\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\u65f6\u7684\u7b26\u53f7\u4e0e\u539f\u5e26\u5206\u6570\u7684\u7b26\u53f7\u76f8\u540c\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u5ba1\u9898\uff1a\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u786e\u5b9a\uff1f
\u6ce8\u610f\u7ed3\u679c\u4e2d\u7684\u8d1f\u53f7\u4e0d\u80fd\u4e22\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a(1)-2.5\u00d7(-4.8)\u00d7(0.09)\u00f7(-0.27)\uff1b
2\uff0e\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u4e0d\u540c\u7ea7\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u4e58\u65b9\u518d\u7b97\u4e58\u9664\uff0c\u6700\u540e\u7b97\u52a0\u51cf\uff0e
\u4f8b3 \u8ba1\u7b97\uff1a
(1)(-3)\u00d7(-5)2\uff1b (2)\u3014(-3)\u00d7(-5)\u30152\uff1b
(3)(-3)2-(-6)\uff1b (4)(-4\u00d732)-(-4\u00d73)2\uff0e
\u5ba1\u9898\uff1a\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\uff1f
\u89e3\uff1a(1)(-3)\u00d7(-5)2=(-3)\u00d725=-75\uff0e
(2)\u3014(-3)\u00d7(-5)\u30152=(15)2=225\uff0e
(3)(-3)2-(-6)=9-(-6)=9+6=15\uff0e
(4)(-4\u00d732)-(-4\u00d73)2
=(-4\u00d79)-(-12)2
=-36-144
=-180\uff0e
\u6ce8\u610f\uff1a\u641e\u6e05(1)\uff0c(2)\u7684\u8fd0\u7b97\u987a\u5e8f\uff0c(1)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u4e58\uff0c(2)\u4e2d\u5148\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\uff0c\u7136\u540e\u518d\u4e58\u65b9\uff0e(3)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u51cf\uff0c(4)\u4e2d\u7684\u8fd0\u7b97\u987a\u5e8f\u8981\u5206\u6e05\uff0c\u7b2c\u4e00\u9879(-4\u00d732)\u91cc\uff0c\u5148\u4e58\u65b9\u518d\u76f8\u4e58\uff0c\u7b2c\u4e8c\u9879(-4\u00d73)2\u4e2d\uff0c\u5c0f\u62ec\u53f7\u91cc\u5148\u76f8\u4e58\uff0c\u518d\u4e58\u65b9\uff0c\u6700\u540e\u76f8\u51cf\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
(1)-72\uff1b (2)(-7)2\uff1b (3)-(-7)2\uff1b
(7)(-8\u00f723)-(-8\u00f72)3\uff0e
\u4f8b4 \u8ba1\u7b97
(-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4\uff0e
\u5ba1\u9898\uff1a(1)\u5b58\u5728\u54ea\u51e0\u7ea7\u8fd0\u7b97\uff1f
(2)\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u786e\u5b9a\uff1f
\u89e3\uff1a (-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4
=4-(-25)\u00d7(-1)+87\u00f7(-3)\u00d71(\u5148\u4e58\u65b9)
=4-25-29(\u518d\u4e58\u9664)
=-50\uff0e(\u6700\u540e\u76f8\u52a0)
\u6ce8\u610f\uff1a(-2)2=4\uff0c-52=-25\uff0c(-1)5=-1\uff0c(-1)4=1\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
(1)-9+5\u00d7(-6)-(-4)2\u00f7(-8)\uff1b
(2)2\u00d7(-3)3-4\u00d7(-3)+15\uff0e
3\uff0e\u5728\u5e26\u6709\u62ec\u53f7\u7684\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u5c0f\u62ec\u53f7\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\uff0c\u6700\u540e\u7b97\u5927\u62ec\u53f7\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
\u4e09\u3001\u5c0f\u7ed3
\u6559\u5e08\u5f15\u5bfc\u5b66\u751f\u4e00\u8d77\u603b\u7ed3\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\u7684\u89c4\u5f8b\uff0e
1\uff0e\u5148\u4e58\u65b9\uff0c\u518d\u4e58\u9664\uff0c\u6700\u540e\u52a0\u51cf\uff1b
2\uff0e\u540c\u7ea7\u8fd0\u7b97\u4ece\u5de6\u5230\u53f3\u6309\u987a\u5e8f\u8fd0\u7b97\uff1b
3\uff0e\u82e5\u6709\u62ec\u53f7\uff0c\u5148\u5c0f\u518d\u4e2d\u6700\u540e\u5927\uff0c\u4f9d\u6b21\u8ba1\u7b97\uff0e
\u56db\u3001\u4f5c\u4e1a
1\uff0e\u8ba1\u7b97\uff1a
2\uff0e\u8ba1\u7b97\uff1a
(1)-8+4\u00f7(-2)\uff1b (2)6-(-12)\u00f7(-3)\uff1b
(3)3�6�1(-4)+(-28)\u00f77\uff1b (4)(-7)(-5)-90\u00f7(-15)\uff1b
3\uff0e\u8ba1\u7b97\uff1a
4\uff0e\u8ba1\u7b97\uff1a
(7)1\u00f7(-1)+0\u00f74-(-4)(-1)\uff1b(8)18+32\u00f7(-2)3-(-4)2\u00d75\uff0e
5*\uff0e\u8ba1\u7b97(\u9898\u4e2d\u7684\u5b57\u6bcd\u5747\u4e3a\u81ea\u7136\u6570)\uff1a
(1)(-12)2\u00f7(-4)3-2\u00d7(-1)2n-1\uff1b
(4)\u3014(-2)4+(-4)2�6�1(-1)7\u30152m�6�1(53+35)\uff0e
\u7b2c\u4e8c\u4efd
\u521d\u4e00\u6570\u5b66\u6d4b\u8bd5\uff08\u516d\uff09
\uff08\u7b2c\u4e00\u7ae0 \u6709\u7406\u6570 2001\u300110\u300118\uff09 \u547d\u9898\u4eba\uff1a\u5b59\u671d\u4ec1 \u5f97\u5206
\u4e00\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517130\u5206\uff09
1\uff0e|\uff0d5|\u7b49\u4e8e\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\uff0d5 \uff08B\uff095 \uff08C\uff09\u00b15 \uff08D\uff090.2
2\uff0e\u5728\u6570\u8f74\u4e0a\u539f\u70b9\u53ca\u539f\u70b9\u53f3\u8fb9\u7684\u70b9\u6240\u8868\u793a\u7684\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\u6b63\u6570 \uff08B\uff09\u8d1f\u6570 \uff08C\uff09\u975e\u6b63\u6570 \uff08D\uff09\u975e\u8d1f\u6570
3\uff0e\u7528\u4ee3\u6570\u5f0f\u8868\u793a\u201c \u3001b\u4e24\u6570\u79ef\u4e0em\u7684\u5dee\u201d\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
4\uff0e\u5012\u6570\u7b49\u4e8e\u5b83\u672c\u8eab\u7684\u6570\u6709\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff09\u65e0\u6570\u4e2a
5\uff0e\u5728 \uff08n\u662f\u6b63\u6574\u6570\uff09\u8fd9\u516d\u6570\u4e2d\uff0c\u8d1f\u6570\u7684\u4e2a\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026( )
\uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff094\u4e2a
6\uff0e\u82e5\u6570\u8f74\u4e0a\u7684\u70b9A\u3001B\u5206\u522b\u4e0e\u6709\u7406\u6570a\u3001b\u5bf9\u5e94\uff0c\u5219\u4e0b\u5217\u5173\u7cfb\u6b63\u786e\u7684\u662f\uff08 \uff09
\uff08A\uff09a\uff1cb \uff08B\uff09\uff0da\uff1cb \uff08C\uff09|a|\uff1c|b| \uff08D\uff09\uff0da\uff1e\uff0db
�6�1 �6�1 �6�1
7\uff0e\u82e5|a\uff0d2|=2\uff0da\uff0c\u5219\u6570a\u5728\u6570\u8f74\u4e0a\u7684\u5bf9\u5e94\u70b9\u5728
\uff08A\uff09 \u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7 \uff08B\uff09\u8868\u793a\u65702\u7684\u70b9\u7684\u53f3\u4fa7\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08C\uff09 \u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7
\uff08D\uff09\u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7
8\uff0e\u8ba1\u7b97 \u7684\u7ed3\u679c\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
9\uff0e\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \u6709\u7406\u6570\u5c31\u662f\u6b63\u6709\u7406\u6570\u548c\u8d1f\u6709\u7406\u6570\uff08B\uff09\u6700\u5c0f\u7684\u6709\u7406\u6570\u662f0
\uff08C\uff09\u6709\u7406\u6570\u90fd\u53ef\u4ee5\u5728\u6570\u8f74\u4e0a\u627e\u5230\u8868\u793a\u5b83\u7684\u4e00\u4e2a\u70b9\uff08D\uff09\u6574\u6570\u4e0d\u80fd\u5199\u6210\u5206\u6570\u5f62\u5f0f
10\uff0e\u4e0b\u5217\u8bf4\u6cd5\u4e2d\u9519\u8bef\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \u4efb\u4f55\u6b63\u6574\u6570\u90fd\u662f\u7531\u82e5\u5e72\u4e2a\u201c1\u201d\u7ec4\u6210
\uff08B\uff09 \u5728\u81ea\u7136\u6570\u96c6\u4e2d\uff0c\u603b\u53ef\u4ee5\u8fdb\u884c\u7684\u8fd0\u7b97\u662f\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5
\uff08C\uff09 \u4efb\u610f\u4e00\u4e2a\u81ea\u7136\u6570m\u52a0\u4e0a\u6b63\u6574\u6570n\u7b49\u4e8em\u8fdb\u884cn\u6b21\u52a01\u8fd0\u7b97
\uff08D\uff09\u5206\u6570 \u7684\u7279\u5f81\u6027\u8d28\u662f\u5b83\u4e0e\u6570m\u7684\u4e58\u79ef\u6b63\u597d\u7b49\u4e8en
\u4e8c\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u98984\u5206\uff0c\u517132\u5206\uff09
11\uff0e\uff0d0.2\u7684\u76f8\u53cd\u6570\u662f \uff0c\u5012\u6570\u662f \u3002
12\uff0e\u51b0\u7bb1\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u662f3\u2103\uff0c\u51b7\u51bb\u5ba4\u7684\u6e29\u5ea6\u6bd4\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u4f4e15\u2103\uff0c\u5219\u51b7\u51bb\u5ba4\u6e29\u5ea6\u662f \u2103\u3002
13\uff0e\u7d27\u63a5\u5728\u5947\u6570a\u540e\u9762\u7684\u4e09\u4e2a\u5076\u6570\u662f \u3002
14\uff0e\u7edd\u5bf9\u503c\u4e0d\u5927\u4e8e4\u7684\u8d1f\u6574\u6570\u662f \u3002
15\uff0e\u8ba1\u7b97\uff1a = \u3002
16\uff0e\u82e5a\uff1c0\uff0cb\uff1e0\uff0c|a|\uff1e|b|\uff0c\u5219a+b 0\u3002\uff08\u586b\u201c\uff1e\u201d\u6216\u201c=\u201d\u6216\u201c\uff1c\u201d\u53f7\uff09
17\uff0e\u5728\u62ec\u53f7\u5185\u7684\u6a2a\u7ebf\u4e0a\u586b\u5199\u9002\u5f53\u7684\u9879\uff1a2x\uff0d(3a\uff0d4b+c)=(2x\uff0d3a)\uff0d( )\u3002
18\uff0e\u89c2\u5bdf\u4e0b\u5217\u7b97\u5f0f\uff0c\u4f60\u5c06\u53d1\u73b0\u5176\u4e2d\u7684\u89c4\u5f8b\uff1a \uff1b \uff1b \uff1b \uff1b \uff1b\u2026\u2026\u8bf7\u7528\u540c\u4e00\u4e2a\u5b57\u6bcd\u8868\u793a\u6570\uff0c\u5c06\u4e0a\u8ff0\u5f0f\u5b50\u4e2d\u7684\u89c4\u5f8b\u7528\u7b49\u5f0f\u8868\u793a\u51fa\u6765\uff1a \u3002
\u4e09\u3001 \u8ba1\u7b97\uff08\u5199\u51fa\u8ba1\u7b97\u8fc7\u7a0b\uff09\uff1a\uff08\u6bcf\u98987\u5206\uff0c\u517128\u5206\uff09
19\uff0e 20\uff0e
21\uff0e \uff08n\u4e3a\u6b63\u6574\u6570\uff09
22\uff0e
\u56db\u3001\u82e5 \u3002\uff081\uff09\u6c42a\u3001b\u7684\u503c\uff1b\uff08\u672c\u98984\u5206\uff09
\uff082\uff09\u6c42 \u7684\u503c\u3002\uff08\u672c\u98986\u5206\uff09
\u7b2c\u4e09\u4efd
\u521d\u4e00\u6570\u5b66\u6d4b\u8bd5\uff08\u516d\uff09
\uff08\u7b2c\u4e00\u7ae0 \u6709\u7406\u6570 2001\u300110\u300118\uff09 \u547d\u9898\u4eba\uff1a\u5b59\u671d\u4ec1
\u73ed\u7ea7 \u59d3\u540d \u5f97\u5206
\u4e00\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517130\u5206\uff09
1\uff0e|-5|\u7b49\u4e8e\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09-5 \uff08B\uff095 \uff08C\uff09\u00b15 \uff08D\uff090.2
2\uff0e\u5728\u6570\u8f74\u4e0a\u539f\u70b9\u53ca\u539f\u70b9\u53f3\u8fb9\u7684\u70b9\u6240\u8868\u793a\u7684\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\u6b63\u6570 \uff08B\uff09\u8d1f\u6570 \uff08C\uff09\u975e\u6b63\u6570 \uff08D\uff09\u975e\u8d1f\u6570
3\uff0e\u7528\u4ee3\u6570\u5f0f\u8868\u793a\u201c \u3001b\u4e24\u6570\u79ef\u4e0em\u7684\u5dee\u201d\u662f\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
4\uff0e\uff0d12+11\uff0d8+39=\uff08\uff0d12\uff0d8\uff09+\uff0811+39\uff09\u662f\u5e94\u7528\u4e86 \uff08 \uff09
A\u3001\u52a0\u6cd5\u4ea4\u6362\u5f8bB\u3001\u52a0\u6cd5\u7ed3\u5408\u5f8b C\u3001\u52a0\u6cd5\u4ea4\u6362\u5f8b\u548c\u7ed3\u5408\u5f8bD\u3001\u4e58\u6cd5\u5206\u914d\u5f8b
5\uff0e\u5c066\uff0d(+3)\uff0d(\uff0d7)+(\uff0d2)\u6539\u5199\u6210\u7701\u7565\u52a0\u53f7\u7684\u548c\u5e94\u662f ( )
A\u3001\uff0d6\uff0d3+7\uff0d2 B\u30016\uff0d3\uff0d7\uff0d2 C\u30016\uff0d3+7\uff0d2 D\u30016+3\uff0d7\uff0d2
6\uff0e\u82e5|x|=3\uff0c|y|=7\uff0c\u5219x\uff0dy\u7684\u503c\u662f \uff08 \uff09
A\u3001\u00b14 B\u3001\u00b110 C\u3001\uff0d4\u6216\uff0d10 D\u3001\u00b14\uff0c\u00b110
7\uff0e\u82e5a\u00d7b\uff1c0\uff0c\u5fc5\u6709 \uff08 \uff09
A\u3001a\uff1e0\uff0cb\uff1c0 B\u3001a\uff1c0\uff0cb\uff1e0 C\u3001a\u3001b\u540c\u53f7 D\u3001a\u3001b\u5f02\u53f7
8\uff0e\u5982\u679c\u4e24\u4e2a\u6709\u7406\u6570\u7684\u548c\u662f\u6b63\u6570\uff0c\u79ef\u662f\u8d1f\u6570\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u6709\u7406\u6570 \uff08 \uff09
A\u3001\u90fd\u662f\u6b63\u6570 B\u3001\u7edd\u5bf9\u503c\u5927\u7684\u90a3\u4e2a\u6570\u6b63\u6570\uff0c\u53e6\u4e00\u4e2a\u662f\u8d1f\u6570
C\u3001\u90fd\u662f\u8d1f\u6570 D\u3001\u7edd\u5bf9\u503c\u5927\u7684\u90a3\u4e2a\u6570\u8d1f\u6570\uff0c\u53e6\u4e00\u4e2a\u662f\u6b63\u6570
9\uff0e\u6587\u5177\u5e97\u3001\u4e66\u5e97\u548c\u73a9\u5177\u5e97\u4f9d\u6b21\u5ea7\u843d\u5728\u4e00\u6761\u4e1c\u897f\u8d70\u5411\u7684\u5927\u8857\u4e0a\uff0c\u6587\u5177\u5e97\u5728\u4e66\u5e97\u897f\u8fb920\u7c73\u5904\uff0c\u73a9\u5177\u5e97\u4f4d\u4e8e\u4e66\u5e97\u4e1c\u8fb9100\u7c73\u5904\uff0c\u5c0f\u660e\u4ece\u4e66\u5e97\u6cbf\u8857\u5411\u4e1c\u8d70\u4e8640\u7c73\uff0c\u63a5\u7740\u53c8\u5411\u4e1c\u8d70\u4e86\uff0d60\u7c73\uff0c\u6b64\u65f6\u5c0f\u660e\u7684\u4f4d\u7f6e\u5728 \uff08 \uff09
A\u3001\u6587\u5177\u5e97 B\u3001\u73a9\u5177\u5e97 C\u3001\u6587\u5177\u5e97\u897f\u8fb940\u7c73 D\u3001\u73a9\u5177\u5e97\u4e1c\u8fb9\uff0d60\u7c73
10\uff0e\u5df2\u77e5\u6709\u7406\u6570 \u3001 \u5728\u6570\u8f74\u4e0a\u7684\u4f4d\u7f6e\u5982\u56fe �6�1 �6�1 �6�1
\u6240\u793a\uff0c\u90a3\u4e48\u5728\u2460a\uff1e0\uff0c\u2461\uff0db\uff1c0\uff0c\u2462a\uff0db\uff1e0\uff0c
\u2463a+b\uff1e0\u56db\u4e2a\u5173\u7cfb\u5f0f\u4e2d\uff0c\u6b63\u786e\u7684\u6709 \uff08 \uff09
A\u30014\u4e2a B\u30013\u4e2a C\u30012\u4e2a D\u30011\u4e2a
\u4e8c\u3001 \u5224\u65ad\u9898\uff1a\uff08\u5bf9\u7684\u753b\u201c+\u201d\uff0c\u9519\u7684\u753b\u201c\u25cb\u201d\uff0c\u6bcf\u98981\u5206\uff0c\u51716\u5206\uff09
11\uff0e0.3\u65e2\u4e0d\u662f\u6574\u6570\u53c8\u4e0d\u662f\u5206\u6570\uff0c\u56e0\u800c\u5b83\u4e5f\u4e0d\u662f\u6709\u7406\u6570\u3002 \uff08 \uff09
12\uff0e\u4e00\u4e2a\u6709\u7406\u6570\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e\u8fd9\u4e2a\u6570\u7684\u76f8\u53cd\u6570\uff0c\u8fd9\u4e2a\u6570\u662f\u8d1f\u6570\u3002 \uff08 \uff09
13\uff0e\u6536\u5165\u589e\u52a05\u5143\u8bb0\u4f5c+5\u5143\uff0c\u90a3\u4e48\u652f\u51fa\u51cf\u5c115\u5143\u8bb0\u4f5c\uff0d5\u5143\u3002 \uff08 \uff09
14\uff0e\u82e5a\u662f\u6709\u7406\u6570\uff0c\u5219\uff0da\u4e00\u5b9a\u662f\u8d1f\u6570\u3002 \uff08 \uff09
15\uff0e\u96f6\u51cf\u53bb\u4e00\u4e2a\u6709\u7406\u6570\uff0c\u4ecd\u5f97\u8fd9\u4e2a\u6570\u3002 \uff08 \uff09
16\uff0e\u51e0\u4e2a\u6709\u7406\u6570\u76f8\u4e58\uff0c\u82e5\u8d1f\u56e0\u6570\u7684\u4e2a\u6570\u4e3a\u5947\u6570\u4e2a\uff0c\u5219\u79ef\u4e3a\u8d1f\u3002 \uff08 \uff09
\u4e09\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517118\u5206\uff09
17\uff0e\u5728\u62ec\u53f7\u5185\u586b\u4e0a\u9002\u5f53\u7684\u9879\uff0c\u4f7f\u7b49\u5f0f\u6210\u7acb\uff1aa+b\uff0dc+d=a+b\uff0d\uff08 \uff09\u3002
18\uff0e\u6bd4\u8f83\u5927\u5c0f: \u2502\uff0d \u2502 \u2502\uff0d \u2502.(\u586b\u201c\uff1e\u201d\u6216\u201c\uff1c\u201d\u53f7)
19\uff0e\u5982\u56fe\uff0c\u6570\u8f74\u4e0a\u6807\u51fa\u7684\u70b9\u4e2d\u4efb\u610f\u76f8\u90bb\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb\u90fd\u76f8\u7b49\uff0c\u5219a\u7684\u503c= \u3002
�6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1
20\uff0e\u4e00\u4e2a\u52a0\u6570\u662f0.1\uff0c\u548c\u662f\uff0d27.9\uff0c\u53e6\u4e00\u4e2a\u52a0\u6570\u662f \u3002
21\uff0e\uff0d9\uff0c+6\uff0c\uff0d3\u4e09\u6570\u7684\u548c\u6bd4\u5b83\u4eec\u7684\u7edd\u5bf9\u503c\u7684\u548c\u5c0f \u3002
22\uff0e\u7b49\u5f0f \u00d7\u3014\uff08\uff0d5\uff09+\uff08\uff0d13\uff09\u3015= \u6839\u636e\u7684\u8fd0\u7b97\u5f8b\u662f \u3002
\u56db\u3001 \u5728\u4e0b\u5217\u6a2a\u7ebf\u4e0a\uff0c\u76f4\u63a5\u586b\u5199\u7ed3\u679c\uff1a\uff08\u6bcf\u98982\u5206\uff0c\u517112\u5206\uff09
23\uff0e\uff0d2+3= \uff1b24\uff0e\uff0d27+(\uff0d51)= \uff1b 25\uff0e\uff0d18\uff0d34= \uff1b
26\uff0e\uff0d24\uff0d(\uff0d17)= \uff1b27\uff0e\uff0d14\u00d75= \uff1b 28\uff0e\uff0d18\u00d7(\uff0d2)= \u3002
\u4e94\u3001 \u8ba1\u7b97\uff08\u5199\u51fa\u8ba1\u7b97\u8fc7\u7a0b\uff09\uff1a\uff0829\u300130\u6bcf\u98986\u5206\uff0c31\u300132\u6bcf\u98987\u5206\uff0c\u517126\u5206\uff09
29\uff0e(\uff0d6)\uff0d(\uff0d7)+(\uff0d5)\uff0d(+9) 30\uff0e
31\uff0e 32\uff0e(\uff0d5)\u00d7(\uff0d3 )\uff0d15\u00d71 +\u3014 \uff0d( )\u00d724\u3015
\u516d\u3001 \u4e0b\u8868\u5217\u51fa\u4e86\u56fd\u5916\u51e0\u4e2a\u57ce\u5e02\u4e0e\u5317\u4eac\u7684\u65f6\u5dee\uff08\u5e26\u6b63\u53f7\u7684\u6570\u8868\u793a\u540c\u4e00\u65f6\u523b\u6bd4\u5317\u4eac\u65f6\u95f4\u65e9\u7684\u65f6\u6570\uff09\u3002
\u2474\u5982\u679c\u73b0\u5728\u7684\u5317\u4eac\u65f6\u95f4\u662f7\uff1a00\uff0c\u90a3\u4e48\u73b0\u5728\u7684\u7ebd\u7ea6\u65f6\u95f4\u662f\u591a\u5c11\uff1f
\u2475\u5c0f\u534e\u73b0\u5728\u60f3\u7ed9\u8fdc\u5728\u5df4\u9ece\u7684\u5916\u516c\u6253\u7535\u8bdd\uff0c\u4f60\u8ba4\u4e3a\u5408\u9002\u5417\uff1f\uff08\u6bcf\u5c0f\u98984\u5206\uff09
*\u662f\u4e58\u53f7\u3002
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
\u6709\u7406\u6570\u7684\u52a0\u51cf\u6df7\u5408\u8fd0\u7b97
\u3010\u3010\u540c\u6b65\u8fbe\u7eb2\u7ec3\u4e60\u3011
1\uff0e\u9009\u62e9\u9898\uff1a
\uff081\uff09\u628a-2-\uff08+3\uff09-\uff08-5\uff09+\uff08-4\uff09+\uff08+3\uff09\u5199\u6210\u7701\u7565\u62ec\u53f7\u548c\u7684\u5f62\u5f0f\uff0c\u6b63\u786e\u7684\u662f\uff08 \uff09
A\uff0e-2-3-5-4+3 B\uff0e-2+3+5-4+3
C\uff0e-2-3+5-4+3 D\uff0e-2-3-5+4+3
\uff082\uff09\u8ba1\u7b97\uff08-5\uff09-\uff08+3\uff09+\uff08-9\uff09-\uff08-7\uff09+ \u6240\u5f97\u7ed3\u679c\u6b63\u786e\u7684\u662f\uff08 \uff09
A\uff0e-10 B\uff0e-9 C\uff0e8 D\uff0e-23
\uff083\uff09-7\uff0c-12\uff0c+2\u7684\u4ee3\u6570\u548c\u6bd4\u5b83\u4eec\u7684\u7edd\u5bf9\u503c\u7684\u548c\u5c0f\uff08 \uff09
A\uff0e-38 B\uff0e-4 C\uff0e4 D\uff0e38
\uff084\uff09\u82e5 +\uff08b+3\uff092=0,\u5219b%
2. (103-336÷21)×15
3. 800-(2000-9600÷8)
4. 40×48-(1472+328)÷5
5. (488+344)÷(202-194)
6. 2940÷28+136×7
7. 605×(500-494)-1898
8. (2886+6618)÷(400-346)
9. 9125-(182+35×22)
10. (154-76)×(38+49)
11. 3800-136×9-798
12. (104+246)×(98÷7)
13. 918÷9×(108-99)
14. (8645+40×40)÷5
15. (2944+864)÷(113-79)
16. 8080-1877+1881÷3
17. (5011-43×85)+3397
18. 2300-1122÷(21-15)
19. 816÷(4526-251×18)
20. (7353+927)÷(801-792)
21. (28+172)÷(24+16)
22. 6240÷48+63×48
23. 950-28×6+666
24. 86×(35+117÷9)
25. 2500+(360-160÷4)
26. 16×4＋6×3
27.39÷3＋48÷6
28.24×4－42÷3
29.7×6-12×3
30.56÷4＋72÷8
31 (-1)^100*5+(-2)^4/4=
32 (-3)^3-3*(-1/3)^4=
33 (-10)^3+[(-4)^2-(1-3^2)*2=
34 4+(-2)^3*5-(-0.28)/4=
35 (-10^10*2+(-2)^3/4=
36 (-5)^3-3*(-1/2)^4
37 (-10)^4+[(-4)^2-(3+3^2)*2]=
*是乘，/是除，^是次方
1.25*（-3）+70*（-5）+5*（-3）+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -（ 3/2 + 4/5 ）
11. 7/8 + （ 1/8 + 1/9 ）
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×（ 1/2 + 2/3 ）
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - （ 2/7 – 10/21 ）
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50＋160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37（58+37）÷（64-9×5）
38.95÷（64-45）
39.178-145÷5×6+42
40.812-700÷（9+31×11）
41.85+14×（14+208÷26）
43.120-36×4÷18+35
44.（58+37）÷（64-9×5）
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.（3.2×1.5+2.5）÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×（4.8-1.2×4）=
51.5.8×（3.87-0.13）+4.2×3.74
52.32.52-（6+9.728÷3.2）×2.5
53.[（7.1-5.6）×0.9-1.15] ÷2.5
54.5.4÷[2.6×（3.7-2.9）+0.62]
55.12×6÷（12-7.2）-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370）÷（64-45）
59.420+580-64×21÷28
60.136+6×（65-345÷23）
15-10.75×0.4-5.7
62.18.1＋（3－0.299÷0.23）×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.（3.2×1.5+2.5）÷1.6
66.3.2×6+（1.5+2.5）÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×（3.87-0.13）+4.2×3.74
70.32.52-（6+9.728÷3.2）×2.5
71.[（7.1-5.6）×0.9-1.15] ÷2.5
72.5.4÷[2.6×（3.7-2.9）+0.62]
73.12×6÷（12-7.2）-6
74.12×6÷7.2-6
75.33.02－（148.4－90.85）÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -（ 3/2 + 4/5 ）
10) 8 + （ 1/8 + 1/9 ）
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×（ 1/2 + 2/3 ）
15) 2／9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - （ 2/7 – 10/21 ）
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22) 1、 2/3÷1/2－1/4×2/5
2、 2－6/13÷9/26－2/3
3、 2/9＋1/2÷4/5＋3/8
4、 10÷5/9＋1/6×4
5、 1/2×2/5＋9/10÷9/20
6、 5/9×3/10＋2/7÷2/5
7、 1/2＋1/4×4/5－1/8
8、 3/4×5/7×4/3－1/2
9、 23－8/9×1/27÷1/27
10、 8×5/6＋2/5÷4
11、 1/2＋3/4×5/12×4/5
12、 8/9×3/4－3/8÷3/4
13、 5/8÷5/4＋3/23÷9/11
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-（2.5+0.24）（27） 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-（25-2.5）2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-（3.07+3.65）
（4+0.4×0.25）8×7×1.25
1.65×99+1.65
27.85-（7.85+3.4）
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6）×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
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
51.[（7.1-5.6）×0.9-1.15] ÷2.5
52.5.4÷[2.6×（3.7-2.9）+0.62]
53.12×6÷（12-7.2）-6 （4）12×6÷7.2-6
102×(-4.5)-(-3)×(-5) ÷2
7.8×6.9＋2.2×6.9
(-2)+2-(-52)×(-1) ×5+87÷(-3)×(-1)
5.6×0.258×（20－1.25）
(-7.1) ×〔(-3)×(-5)〕÷2
-2.5×(-4.8)×(0.09)÷(-0.27)
127+352+73+44×(-2)
89×276+(-135)-33
25×71+75÷29 -88÷(-2)
243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+（2304-2042）×23
4215+（4361-716）÷81
（247+18）×27÷25
36-720÷（360÷18）
1080÷（63-54）×80
（528+912）×5-6178
8528÷41×38-904
264+318-8280÷69
（174+209）×26- (9000^0)
814-（278+322）÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷（630÷7）
285+（3000-372）÷36
1+5/6-19/12
3x(-9)+7x(-9)
(-54)x1/6x(-1/3)
1.18.1＋（3－0.299÷0.23）×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.84
3.2×1.5+2.5÷(-1.6)
（-2）×3.2×（1.5+2.5）÷1.6
5.6-1.6÷4+(6.8-9)
5.38+7.85-5.37÷89
6.7.2÷0.8-1.2×5
6-1.19×3-0.43
7.6.5×（4.8-1.2×4）
0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×（3.87-0.13）
(-8.01)+4.2×3.74
10.32.52-（6+9.728÷3.2）×2.5
11.[（7.1-5.6）×0.9-1.15] ÷2.5
12.5.4÷[2.6×（3.7-2.9）+0.62]
13.12×6÷（12-7.2）-6
14.12×6÷7.2-6
15.33.02－（148.4－90.85）÷2.5
(-5)-252×（-78）
(-6) ×(-2)+3÷（5+50）
7-7+3-6-（-90）
(-8)(-3)×(-8)×25
(7+13) ÷(-616)÷(-28)
（8+14-100-27）÷4
(-15) ÷(-1)-101÷10
16÷0.21×(-8) ×(4.1+5.9)
(-10) ×(-2) ×4÷{-9÷[6+(-5.67)]}
(-18)(-4)2×[8.01×(-3.14)
9-32{-890-[79+8.1] ×9}
(-20)-23+(-9) ×9.42
(-24)3.4×104÷(-5) ×200.96
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1) +√9
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2) ×2^7
(5+3/8*8/30/(-2)- √36
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
1+2+3+4+......+100000
1/1+1/2+1/3+......1/50
1+1/2+1/4+1/8+1/16+......1/512
3+9+27+81+243+......9999
1+1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
1) (-9)-(-13)+(-20)+(-2)
(2) 3+13-(-7)/6
(3) (-2)-8-14-13
(4) (-7)*(-1)/7+8
(5) (-11)*4-(-18)/18
(6) 4+(-11)-1/(-3)
(7) (-17)-6-16/(-18)
(8) 5/7+(-1)-(-8)
(9) (-1)*(-1)+15+1
(10) 3-(-5)*3/(-15)
(11) 6*(-14)-(-14)+([|-98|+76+(-87)]-23[56+(-75)-(7)]-(8+4+3)
-(-89)+|-87|-23+[-75-(7)+76]-(10+39-24)
|-9.8|+(-4.6)-[8.7-(-1.3)]+(-5.4)-(-0.2)
[-(-84)+46]-|-9.1|+(+1.9)
[-(-90)+(-34)]-(+43)+(-57)+10
5+21+8/2-6-59
68/21-8-11-8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4+(-0.4)]/1/3+2
22+(-4)+(-2)+4-3
-2+8-8-1/2+8/1/8
(2/3+1/2)/(-1/12)+(-12)
2/(-2)+0/7-(-8)-(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)+(-2)
(5+3/8-8/30/(-2)-3
(-84)/2+(-3)/(-6)
1/2-(-4/15)/2/3
（-5）-（+3）+（-9）-（-7）
（-5）+（+8）-（+2）-（-3）
5-（-3 ）-（+7）-2
（-21）+（+16）-（-13）-（+7）+（-6）
2 -（- ）+（-0.5）+(+2)-(+ )-2
(-7)-(+5)+(+3)-(-9)
-(+2 )-(-1 )-(+3 )
-14 5 (-3)=-12
-12 (-7) (-5) (-6)
23.33-(+76.76)
(-6-24.3)-(-12+9.1)+(0-2.1)
6+(7-8)
(-78)+25+26+27
(-3)+(-2)+(-1)
39+28+26-125
[2/3-4-1/4+(-0.4)]+1/3+2
22+(-4)+(-2)+4-3
(-2)+7-(-16)-(-3)
(-5)-(+3)+(-9)-(-7)
(-1/4)+(-5/6)-(-1/3)+2/3-1/6
2/3+(-1/2)-(-1/3)+1/4
(-5)+(-8)-(-2)-3
(-21)+(+16)-(-13)-(+7)+(-6)
(-2/3)+(-1/3)+3/4+(-1/4)
(-0.73)+(-0.62)-(+0.75)
(-19)+(-11)-(-33)+27
(-6.4)+(-3.6)-(-12.5)+4.5
(-81)+(-19)-27+33
(-3.2)-(-6.2)+(-5.1)+(-4.9)
(-6.9)+(-3.1)+(+2.7)+(-2.1)
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+3/4+[-1/4]=
[-7/2]+5/6+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
-13)
(12) (-15)*(-13)-(-17)-(-4)
(13) (-20)/13/(-7)+11
(14) 8+(-1)/7+(-4)
(15) (-13)-(-9)*16*(-12)
1.345x0.345x2.96-1.345（的3次方）-1.345x0.345（的2次方）
=-1.345(1.345^2-2*1.345*0.345+0.345^2)
=-1.345(1.345-0.345)^2
=-1.345
1+（-2）+3+(-4)+......+（-1）（的n+1次方）*n
n为奇数
1+(-2)+3+(-4)+......+[(-1)的n+1次方]n
=[1+(-2)]+[3+(-4)]+....+[(-1)的n+1次方]n
=(-1+ -1+...+ )+n
=(1-n)/2+n
=(n+1)/2
n为偶数
1+(-2)+3+(-4)+5+(-6)+......+[(-1)^（n+1）]n
＝1+(3-2)+(5-4)+(7-6)......+(n-1-（n-2))+（-n）
＝n/2-n
＝-n/2
文库里有
简单：http://wenku.baidu.com/view/7f4a3a6a561252d380eb6ea1.html
130道（难）：http://wenku.baidu.com/view/bea5e80216fc700abb68fca5.html
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