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计算-3X^2Y^2/(2Y^2/3X)
人气:252 ℃ 时间:2020-05-04 12:09:57
解答
-3X^2Y^2/(2Y^2/3X)
=-3X^2Y^2*(3X/2Y^2)
=-3X^2*(3X)*(Y^2/2Y^2)
=-(9X^3)/2
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