(x-y)³(y-x)(y-x)²+(x-y)^6

发布时间:2021-03-15 05:29:44

(x-y)³(y-x)(y-x)²+(x-y)^6

网友回答

(x-y)³(y-x)(y-x)²+(x-y)^6
=-(x-y)^6+(x-y)^6
=0
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