(x-y)²×﹙y－x﹚³答案和过程

来源：学生学帮网 编辑：学帮网 时间：2024/06/21 08:29:19

(x-y)²×﹙y－x﹚³答案和过程

=(x-y)²[-(x-y)]³
=-(x-y)²(x-y)³
=-(x-y)的5次方