计算:(-3a^n+1b^n)*(1/3ab)*(-a^2c)
问题描述:
计算:(-3a^n+1b^n)*(1/3ab)*(-a^2c)
答
(-3a^n+1b^n)*(1/3ab)*(-a^2c)
=a^n+4 b^n+1 c