15+(-1/4)-15-(-0.25) 8-2×3 3-(-0.25)
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15+(-1/4)-15-(-0.25) 8-2×3 3-(-0.25)
-2-12-(-1/3-1/4+1/2)
要写解 要写递等式计算
-2-12-(-1/3-1/4+1/2)
要写解 要写递等式计算
(1)原式=(15-15)-(1/4-0.25)
=0-0
=0
(2)原式=8-66+0.25
=-58+0.25
=-57.75
(3) 原式=-2-12-(-4-3+6)/12
=-2-12-(-1/12)
=-2-12+1/12
=-167/12
=0-0
=0
(2)原式=8-66+0.25
=-58+0.25
=-57.75
(3) 原式=-2-12-(-4-3+6)/12
=-2-12-(-1/12)
=-2-12+1/12
=-167/12
0.25+(-1/8)-(+7/8)-(+3/4)还有-3-〔-5+(1-3*3/5)/(-2)〕 9又14/15*(-
(0.5+0.25+0.125)/(0.5*0.25*0.125)*7/18*9/2+1/6/131/3-15/4*16
(1)8×六分之五+0.4÷4,(2)125×七分之六×8×六分之七,(3)四分之一×75+25%×15+10×0.25
(1/3-8/12+9/20-11/30+13/42-15/56)*2^3-(-2)^100*0.25^50等于?
{15/29 - (0.25+1/3)*7.2}/14/5
简算:1/12*0.25*72÷1/4 1/15÷23+1/23*14/15 35/32÷(1/8+3/4)*32
8又4分之3-【7又4分之3+8分之5*(2又4分之3-1又20分之3)】 (15分之7+24分之7)+0.25 递等式
有理数运算题(-2)^14×(-3)^15×(-6分之1)^14(0.25)×[(-3又7分之3)×(+4)] -1又1
(1)1/6:30% (2)2/3:3/8 (3)0.48:0.06 (4)0.25:1/6
1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25|
计算:(1)-26-(-15)(2)(-0.25)2012×(-4)2013.
7/2+9/4+(-1/3)-0.25+(-1/6)