化简x²/y-x+y²/x-y的结果是

发布时间:2021-02-20 02:41:10

化简x²/y-x+y²/x-y的结果是

网友回答

x²/y-x+y²/x-y
=-x²/x-y+y²/x-y
=-(x²-y²)/(x-y)
=-(x+y)(x-y)/(x-y)
=-x-y
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