[(x-y)³]²×[(y-x)³]³ [(x-y)的三次方]的二次方乘以[(y-x)的三次方]的三次方

问题描述:

[(x-y)³]²×[(y-x)³]³ [(x-y)的三次方]的二次方乘以[(y-x)的三次方]的三次方

[(x-y)³]²×[(y-x)³]³
=(x-y)的6次方×[-(x-y)的9次方]
=-(x-y)的15次方