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-4x^3y^2-2x^2y^3+8x^2y^2 因式分解
人气:202 ℃ 时间:2020-01-14 14:17:54
解答
-4x^3y^2-2x^2y^3+8x^2y^2
=-2x^2y^2(2x+y+4)
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