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因式分解(x^3+2x^2y+xy^2)÷(x+y)
人气:105 ℃ 时间:2019-11-15 07:45:42
解答
(x^3+2x^2y+xy^2)÷(x+y)
=x(x^2+2xy+y^2)÷(x+y)
=x(x+y)^2÷(x+y)
=x(x+y)
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