求二十道有理数加减乘除乘方混合运算，有小数和分数，四个数，稍难一点 有理数加减乘除乘方混合运算练习题50道最难的

\u6709\u7406\u6570\u52a0\u51cf\u4e58\u9664\u4e58\u65b9\u6df7\u5408\u8fd0\u7b97100\u9053

[|-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)
2100-21\u00d753+2255
(103-336\u00f721)\u00d715
800-(2000-9600\u00f78)
40\u00d748-(1472+328)\u00f75
(488+344)\u00f7(202-194)
2940\u00f728+136\u00d77
605\u00d7(500-494)-1898
(2886+6618)\u00f7(400-346)
9125-(182+35\u00d722)
(154-76)\u00d7(38+49)
3800-136\u00d79-798
(104+246)\u00d7(98\u00f77)
918\u00f79\u00d7(108-99)
(8645+40\u00d740)\u00f75
(2944+864)\u00f7(113-79)
-(-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)

\u539f\u5f0f=18-\uff08-3\uff09\u00d7\uff08-1/3)
[(-3)^2-(-5)^2]\u00f7\uff08-2\uff09\u539f\u5f0f=\uff089-25\uff09\u00f7\uff08-2\uff09
(-2)^3\u00d70.5-\uff08-1.6\uff09^2\u00f7(-2)^2\u539f\u5f0f=\uff08-8\uff09\u00d7\uff081/2\uff09-\uff08-8/5\uff09^2\u00f74
\uff08-3/4\uff09\u00d7\uff08-8+2/3-1/3)\u539f\u5f0f=\uff08-3/4\uff09\u00d7\uff08-8+1/3\uff09
16\u00f7\uff08-2\uff09^3-\uff08-1/8\uff09\u00d7\uff08-4\uff09\u539f\u5f0f=16\u00f7\uff08-8\uff09-1/2

有理数混合运算：1. 2100-21×53+2255
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

(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)+(-13)
(12) (-15)*(-13)-(-17)-(-4)
(13) (-20)/13/(-7)+11
(14) 8+(-1)/7+(-4)
(15) (-13)-(-9)*16*(-12)
(16) (-1)+4*19+(-2)
(17) (-17)*(-9)-20+(-6)
(18) (-5)/12-(-16)*(-15)
(19) (-3)-13*(-5)*13
(20) 5+(-7)+17-10
(21) (-10)-(-16)-13*(-16)
(22) (-14)+4-19-12
(23) 5*13/14/(-10)
(24) 3*1*17/(-10)
(25) 6+(-12)+15-(-15)
(26) 15/9/13+(-7)
(27) 2/(-10)*1-(-8)
(28) 11/(-19)+(-14)-5
(29) 19-16+18/(-11)
(30) (-1)/19+(-5)+1我打了好久的请采纳 (*^__^*) 嘻嘻…… 希望对你有帮助！！！！！！！！！

1除以2008分之一 再加负2分之1的0次方 再减1 再乘1 我只知道这个

o 不着

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姹備簩鍗侀亾鏈夌悊鏁板姞鍑忎箻闄や箻鏂规贩鍚杩愮畻,鏈夊皬鏁板拰鍒嗘暟,鍥涗釜鏁,绋嶉毦涓鐐
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绛旓細20. (7353+927)梅(801-792)21. (28+172)梅(24+16)22. 6240梅48+63脳48 23. 950-28脳6+666 24. 86脳(35+117梅9)25. 2500+(360-160梅4)26. 16脳4锛6脳3 27.39梅3锛48梅6 28.24脳4锛42梅3 29.7脳6-12脳3 30.56梅4锛72梅8 搴旂敤棰橈細1銆佸濡堜拱鍥3鍗冨厠鑿滆姳锛屽ス浠樺嚭5...