x+4分之1X=1.5 6分之5/[1-(4分之3+12分之1）]
答对我采纳额外加30悬赏
人气：494 ℃ 时间：2020-06-06 18:34:16
解答
x+1/4x=1.5* 5/6 /[1-(3/4+1/12)]
5/4x=3/2*5/6 /(1-5/6)
5/4x=5/4 / 1/6
5/4x=5/4*6
x=6
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