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数学
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y/3-(5y-2)/6=2求方程解
人气:242 ℃ 时间:2020-05-10 03:24:15
解答
y/3-(5y-2)/6=2
2y-(5y-2)=12
2y-5y+2=12
2y-5y=12-2
-3y=10
y=-10/3
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