问题描述: 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) 1个回答 分类:数学 2014-11-10 问题解答: 我来补答 12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)=-12xy^2(x-y)+xy^3(x-y)+4x^2y(x-y)=xy(x-y)(-12y+y^2+4x) 展开全文阅读