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因式分解3x^2-ax^2y^3+6x^2y^2
a^2-6ab+9ab^2
人气:298 ℃ 时间:2020-05-19 10:20:23
解答
3x^2 -ax^2y^3 + 6x^2y^2
=x^2(3 - ay^3 + 6y^2)
a^2 -6ab + 9ab^2
= a(a -6b + 9b^2)
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