问题标题:
【(x-1/2)*2=3/4】
问题描述:
(x-1/2)*2=3/4
黄冰树回答:
(x-1/2)*2=3/4
x-1/2=3/4÷2
x-1/2=3/8
x=3/8+1/2
x=7/8
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(x-1/2)*2=3/4