(2a^m+2a^m-2*b^n-2+3b^n)*(3a^n+2*b^n+2)的值

问题描述:

(2a^m+2a^m-2*b^n-2+3b^n)*(3a^n+2*b^n+2)的值
快啊,今晚就要的!

(a^m b^n-2)*(-2a^m-2b^n-2)^2*(3a^m 3b^n-2)^3*(1/2b^n-2 1/2a^m)^4 =(a^m b^n-2)*(-2)^2*(a^m b^n-2)^2*3^你确定不?错了我们就要抄30遍的啊!