计算:(x^2-y^2/xy)^2/(x+y)^2*(x/x-y)^3

发布时间:2021-02-20 02:38:30

计算:(x^2-y^2/xy)^2/(x+y)^2*(x/x-y)^3

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计算:(x^2-y^2/xy)^2/(x+y)^2*(x/x-y)^3(图1)
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