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-1/3x^3+2/3x^2y-1/3xy^2 因式分解
人气:277 ℃ 时间:2020-03-21 03:59:18
解答
-1/3x^3+2/3x^2y-1/3xy^2
=-1/3x(x^2-2xy+y^2)
=-1/3x(x-y)^2
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