文档介绍：39+(-23)+0+(-16)=
(-18)+29+(-52)+60=
(-3)+(-2)+(-1)+0+1+2=
(-301)+125+301+(-75)
(-1)+
[-1]+[-1/2]+3/4+[-1/4]= -1
[-7/2]+5/6+[-]+4/5+19/6=
[-]+[-]++= -8
+[-17/5]+[-1/8]+[-]= -3
23+(-73)
(-84)+(-49)
7+(-)
+(-)
(-7/3)+(-7/6)
9/4+(-3/2)
+()+5/4
-+(+5/4)+(-)
(-4)(+6)(-7)
(-27)(-25)(-3)(-4)
*(-)*()
24*(-5/4)*(-12/15)*(-)
(-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7)
(-24/7)(11/8+7/3-)*24
(-78)+25+26+27
(-3)+(-2)+(-1)
39+28+26-125
[2/3-4-1/4+(-)]+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)
(-)+(-)-(+)
(-19)+(-11)-(-33)+27
(-)+(-)-(-)+
(-81)+(-19)-27+33
(-)-(-)+(-)+(-)
(-)+(-)+(+)+(-)
5+21+8/2-6-59
68/21-8-11-8+61
-2/9-7/9-56
-(-3/4+-4-3/4)
[2/3-4-1/4+(-)]/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
评论(4)|赞同7
2009-10-06 14:26热心网友
3+2^2×(-1/5)
解:原式=3+4×(-1/5)
=3-4/5
=11/5
18-6÷(-2)×(-1/3)
解:原式=18-(-3)×(-1/3)
=18-1
=17
(-3)^2×[-2/3+(-5/9)]
解:原式=9×(-11/9)
=-11
8+(-3)^2×(-2)
解:原式=8+9×(-2)
=8-18
=-10
100÷(-2)^2-(-2)÷(-2/3)
解:原式=100÷4