(x-y)(y-x)的二次方(x-y)的三次方等于多少

问题描述:

(x-y)(y-x)的二次方(x-y)的三次方等于多少


(x-y)(y-x)²(x-y)³
=(x-y)(x-y)²(x-y)³
=(x-y)^6