计算题:(x-2y)(x^2-4y^2)(x+2y)
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计算题:(x-2y)(x^2-4y^2)(x+2y)计算题:(x-2y)(x^2-4y^2)(x+2y)计算题:(x-2y)(x^2-4y^2)(x+2y)=(x-2y)(x+2y)(x^2-4y^2
计算题:(x-2y)(x^2-4y^2)(x+2y)
计算题:(x-2y)(x^2-4y^2)(x+2y)
计算题:(x-2y)(x^2-4y^2)(x+2y)
=(x-2y)(x+2y)(x^2-4y^2)
=(x^2-4y^2)²
=x^4-8x^2y^2+16y^4
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