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(x-1)/2=5-(x-1)/3怎么做
人气:203 ℃ 时间:2020-05-22 04:37:57
解答
(x-1)/2=5-(x-1)/3
(x-1)/2+(x-1)/3=5
3(x-1)/6+2(x-1)/6=5
5(x-1)/6=5
5(x-1)=30
x-1=6
x=7
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