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(3x^3y^2+6x^2y^3)/(x+2y)
人气:316 ℃ 时间:2020-06-21 21:28:33
解答
(3x^3y^2+6x^2y^3)/(x+2y)
=3x^2y^2(x+2y)/(x+2y)
=3x^2y^2
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