(x-y)³(y-x)(y-x)²+(x-y)^6

问题描述:

(x-y)³(y-x)(y-x)²+(x-y)^6
1个回答 分类:数学 2014-11-29

问题解答:

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