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计算(x-y)²(y-x)³
计算(x-y)²×(y-x)³=
人气:403 ℃ 时间:2020-09-07 18:37:42
解答
(x-y)²(y-x)³
=[-(y-x)]²(y-x)³
=(y-x)²(y-x)³
=(y-x)^5
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