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x+7/12=7/8=?

x=7/8-7/12 x=21/24-14/24 x=7/24

X+7/12=7/8 解:X=7/8-7/12 X=7/24

3/8+x=7/12 ×=7/12-3/8 =14/24-9/24 =5/24

x+11/12=y+9/10 x-y=9/10-11/12=54/60-55/60=-1/60

见图

x= 4/7➗8/12 =4/7×12/8 =6/7

=(1-1/8)÷3/8 =7/8÷3/8 =7/3

7/8 x 12 =7/(2 x 4) x (4 x 3) =7/2 x 3 =21/2 =10.5 希望我的回答对您有帮助,满意请采纳,谢谢。

X一7/8十7/8二1/8十7/8 X二1

(11/12)÷(7/8)+(13/12)X8 =(11/12)X(8/7)+(8/12)X13 =(8/12)X(11/7+13) =(2/3)X(11/7+91/7) =2X102/(3X7) =2X34/7 =68/7 =9又7分之5

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