(x+y-z)的3n次方乘以(z-x-y)的2n次方乘以(x-z-y)的5n次方

网友回答

原式=（x+y-z)^3n (x+y-z)^2n(x-y-z)^5n
=(x+y-z)^5n(x-y-z)^5n
=[（x-z)^2-y^2]^5n
^后面的是上标~
======以下答案可供参考======
供参考答案1:
(x+y-z)^3n*(z-x-y)^2n*(x-z-y)^5n
=（z-x-y）^2n
=(x+y-z)^2n