a的3m次方=4,a的n次方=2,求a的6m+3n次方的值

问题描述:

a的3m次方=4,a的n次方=2,求a的6m+3n次方的值

a^(6m+3n)
=a^6m*a^3n
=(a^3m)^2*(a^n)^3
=4^2*2^3
=16*8
=128对不起阿,发错题了。2x+5y-4=0,求4的x次方乘以32的y次方的值由2x+5y-4=0得2x+5y=44^x*32^y=2^2x*2^5y=2^(2x+5y)=2^4=16