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(7/8%5/6)梅5/12

(7/85/6)/(5/12) =(21/2420/24)*(12/5) =(1/24)*(12

(7/8-5/6)÷5/12 =7/8÷5/12-5/6÷5/12 =21/10-2 =1/10

5/6*3/8+5/6*5/8 =(5/6)*(3/8+5/8) =(5/6)*1 =5/6

48×(5/6+5/8-5/12-7/16) =48x5/6+48x5/8-48x5/12-48x

6/7乘(7/12)等于5/12除以(5/6)等于7/8除以(7/4)等于(5/16)乘5/32等于

7/8 - ( 5/12+1/6) = 7/8 - ( 5/12+2/12) = 7/8 - 7

接下

(28/36-15/36)X36 =13/36X36 =13

7/8-(5/6-1/12) =7/8-(10/12-1/12) =7/8-3/4 =1/8

先算除法,再算减法,再算加法 结果是5/8

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