(a-2m)³×(2m-n)+(n-2m)²×(2m-n)²求解

问题描述:

(a-2m)³×(2m-n)+(n-2m)²×(2m-n)²求解

(n-2m)³×(2m-n)+(n-2m)²×(2m-n)²
=-(n-2m)³×(n-2m)+(n-2m)²×(2m-n)²
=-(n-2m)^4+(n-2m)^4
=0