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1/8+7/8÷(7/5)+3/8怎么算

7/8-3/5+1/8 =(7/8+1/8)-3/5 =1-3/5 =2/5

(5/7-3/8)÷1/56 =(5/7-3/8)x56 =5/7x56-3/8x56 =40-21 =19 , 你好,本题已解答,如果满意 请点右下角“采纳答案”。

怎样简便怎样算 7/15×(1-3/8÷3/5) =7/15×(1-5/8) =7/15×3/8 =7/40

答案

1-(5-7)÷(-3)³ =1+2÷(-27) =1-2/27 =25/27 17-8÷(-2)+4×(-5) =17+4-20 =1

第一个

计算器 1-5/8/25/28-3/10 = 0.69910714285714 计算器 4/5*7/8+7/8/5 = 0.875

同时提取3又1/8,把除换成乘的就可以了

解:采用结合律, 原式=7/8-(1/3+1/4) =7/8-1/4-1/3 =7/8-2/8-1/3 =5/8-1/3 =15/24-8/24 =7/24

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