(x-y)的三次方乘以(x-y)的平方乘以(y-x)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 18:14:46
(x-y)的三次方乘以(x-y)的平方乘以(y-x)

(x-y)的三次方乘以(x-y)的平方乘以(y-x)
(x-y)的三次方乘以(x-y)的平方乘以(y-x)

(x-y)的三次方乘以(x-y)的平方乘以(y-x)
(x-y)的三次方乘以(x-y)的平方乘以(y-x)
=(x-y)³×﹙x-y)²×[-(x-y)]
=-(x-y)的6次方