问题描述: (x-y)³(x-y)²(y-x)等于多少 1个回答 分类:数学 2014-10-28 问题解答: 我来补答 (x-y)³(x-y)²(y-x)=-(x-y)³(x-y)²(x-y)=-(x-y)³+2+1=-(x-y)^6 展开全文阅读