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数学
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-1/3x+2=3 x=?3x+15=x+17 x=?
人气：440 ℃ 时间：2020-07-13 01:32:16
解答
x=3
x=1
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（1）2分之5-3x=3分之3+5x (2)4分之x+2-6分之2x-3=1 (3)12分之x-1=15分之2x (4)5分之y+17-4分之3y-7=-2
3分之x+17+3分之3x-7=2
(x^2-3x)^2+17(x^2-3x)=-18-3(x^2-3x)^2
(x+1/3x+3/4x)1/2-1/3=17求x
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