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因式分解 x^2(x+y)(y-x)-xy(x+y)(x-y)
人气:387 ℃ 时间:2020-01-29 09:56:33
解答
x^2(x+y)(y-x)-xy(x+y)(x-y)
=x^2(x+y)(y-x)+xy(x+y)(y-x)
=x(x+y)(y-x)(x+y)
=x(x+y)^2(y-x)
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