(x^2+4y^2-2xy)(x^2+4y^2+2xy)(x+2y)(x-2y)

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
 
 
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