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

glaciercht2022-10-04 11:39:541条回答

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我这一天天的共回答了14个问题 | 采纳率100%: (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; 1年前

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