[(x-y)³]²×[(y-x)³]³ [(x-y)的三次方

网友回答

[(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
======以下答案可供参考======
供参考答案1:
原式=（x-y)^6*[-(x-y)^9]*(x-y)^6*[-(x-y)^9]
=（x-y)^30
供参考答案2:
(x-y)45次方