(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

问题补充：

(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

答案：

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