[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
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[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=[13/17+(-3.5)+(-6)
[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
13/17 + (-3.5)+(-6)]+[+2.5)+(+6)+(4/17)]
=13/17 + (-3.5) + ( -6) + ( +2.5) + ( +6 ) + 4/17
=(13/17+4/17)+[( -3.5) + ( +2.5)] + [( -6 ) + ( +6 )]
=1 - 1 + 0
=0
[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
(+17分之13)+(﹣3.5)+(﹣6)+(+2.5)+(+6)+(+17分之4)等于多少
【(+17/13)+(-3.5)+(-6)】+【(+2.5)+(+6)+(17/4)】
-17分之13-(-3.5)-(-6)+(-2.5)-6-17分之4=
计算:-17分之13-(-3.5)-(-6)+(-2.5)-6-17分之4
[(+17分之13)+(3.5)+(一6)]+[(+2.5)+(+6)+(+17分之4)]
(+17分之13)+(3.5)+(-6)+(+2.5)+(+17分之4)=?
增值税发票17%,13%,6%,4%,
6/13*17-12*3/13简算
6/13*17-12-3/13简算 {8/17+8/13]*13/8*17/8
6/13*17-12-3/13简算 {8/17+8/13]*13/8*17/8 .
6/17x5/13-5/17x6/13 简便计算
想知道:23136 236%/2313-6^13 13/17^17 ..
1.33/34X29 2.9/20-11/30+13/42-15/56+17/72-19/90 3.5/17x36又12/13-15X1/17+1/17x5/13
6/19*13/17+4/19*6/17要简便
-17-(-13)+|-6|-(+1);
x:6/13=3.25:3.5(解比例)
5/17*13/19+6/17*5/19简便算法