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八分之三乘零点二五加四分之一乘八分之五减四分之...

二分之一除以八分之五 就是1/2*8/5=2/4*8/5 2/4*8/5+1/4*3/5=19/20

(3/8-0.125)x4/13 =(3/8-1/8)x4/13 =1/4x4/13 =1/13

解:5.2-1又3/5÷0.375*4/5+1/8*0.8 =26/5-8/5÷3/8*4/5+1/8*4/5 =26/5-8/5*8/3*4/5+1/10 =26/5-256/75+1/10 =(390-256)/75+1/10 =134/75+1/10 =(268+15)150 =283/150

6.25×0.56+5/8×3.4+5×1/8 =0.625×5.6+0.625×3.4+0.625 =0.625×(5.6+3.4+1) =0.625×10 =6.25

二又八分之三乘以一又四分之一+1.25乘以八分之五+百分之125 =二又八分之三×1.25+1.25×八分之五+1.25 =1.25×(2又3/8+5/8+1) =1.25×4 =5

(2/3+5/8)×2.4 =2/3×2.4+5/8×2.4 =1.6+1.5 =3.1

3/8×8.4+2.6×0.375-3/8 =3/8×(8.4+2.6-1) =3/8×10 =3.75

你好,很高兴为你解答 三又四分之一乘(5又8分之二减五点三七五)用简便方法计算 具体过程如下图。

您好。 题目有岐义。 (一)(3/8+1/6-3/4)×24/5 =(9/24+4/24-18/24)×24/5 =(-5/24)×24/5 =-1 (二)(3/8+1/6)-3/4×24/5 =(9/24+4/24)-18/5 =13/24-18/5 =65/120-432/120 =367/120 你看哪一个符合你的意思,祝好。再见。

(3/8)X3-0.375X2+(3/8)X3 =2X(3/8)X3-0.75 =9/4-3/4 =6/4 =3/2.

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