[(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

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[(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

原式=(x-y)^6*[-(x-y)^9]*(x-y)^6*[-(x-y)^9]
=(x-y)^30

(x-y)45次方