计算:(x-y)三次方的m次方
问题描述:
计算:(x-y)三次方的m次方
计算(x-y)三次方的m次方*(x-y)m次方的5次方
=_______(m为正整数)
答
(x-y)三次方的m次方*(x-y)m次方的5次方
=﹙x-y﹚^3m·﹙x-y﹚^5m
=﹙x-y﹚^8.