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计算(3x-3y)²(x-y)³(y-x)²(y-x)³要过程,
人气:115 ℃ 时间:2019-08-21 21:02:49
解答
=3(x-y)²(x-y)³(x-y)²[-(x-y)³]
=-3(x-y)的10次方
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