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数学
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2xy/(y的平方/x)
人气:360 ℃ 时间:2020-01-28 19:29:14
解答
2xy/(y^2/x)
=2xy÷(y^2/x)
=2xy×(x/y^2)
=2x^2/yO(∩_∩)O谢谢
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