x^m×(x^n)^3÷[x^(m-1)×2x^(n-1)]=

问题描述:

x^m×(x^n)^3÷[x^(m-1)×2x^(n-1)]=

x^m×(x^n)^3÷[x^(m-1)×2x^(n-1)]= 1/2x×x^(2n+1)=1/2x^(2n+2)