问题描述: (x^2+4y^2-2xy)(x^2+4y^2+2xy)(x+2y)(x-2y) 1个回答 分类:数学 2014-12-08 问题解答: 我来补答 (x^2+4y^2-2xy)(x^2+4y^2+2xy)(x+2y)(x-2y) =(x-2y)^2(x+2y)^2(x+2y)(x-2y) =(x-2y)^3(x+2y)^3 =(x^2-4y^2)^3 展开全文阅读