-(x-y)5次方(x-y)4次方=

2024-12-18 14:51:35
推荐回答(2个)
回答1:

-(x-y)5次方(x-y)4次方
=-(x-y)^5(x-y)^4
=-(x-y)^(5+4)
=-(x-y)^9
=(y-x)^9

回答2:

=-(x-y)^9