3m次幂=2,3n次幂=6,求3的4m次幂+2n次幂.
问题描述:
3m次幂=2,3n次幂=6,求3的4m次幂+2n次幂.
答
3的4m次幂+2n次幂
=(3^m)^4*(3^n)^2
=2^4*6^2
=16x36
=576