1、|20-85|+552-(-45+20)

2、55*30-55*(-12)+55*32

3、(91-64)*(8-5)+|103-23-550|

4、(-3*5)2*0.22-0.125*82

回答人的补充 2009-10-17 13:25 [|-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 59+41=100

-59+41=-18

59+( -41)=18

-59+(-41)=-100

-56+0=-56

+12+121=133

-25+25=0

93+(-39)=54

-36-(-18)=-18

125-(-3)-0=128