若2的m次方等于5,2的n次方等于6,则2则m十2n次方是?

2025-06-22 13:57:11
推荐回答(1个)
回答1:

2^m=5,2^n=6
2^(2n)=36
∴2^(m+2n)
=2^m*2^(2n)
=5×36
=180