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数学
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-2分之1x+3x-2=3/2+5
人气:275 ℃ 时间:2019-09-28 10:21:20
解答
-2分之1x+3x-2=3/2+5
-x/2 + 3x = 2+5+ 3/2 =17/2
5x/2 = 17/2
x = 5分之17
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