(x-y)的三次方乘以(x-y)的平方乘以(y-x)

2024-11-14 13:42:25
推荐回答(2个)
回答1:

回答2:

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