2的x次方=m,2的y次方=n,求8的x+y次方(用m,n表示)

2025-03-03 05:16:15
推荐回答(1个)
回答1:

8的x+y次方
=(2^3)^(x+y)
=(2^3x)(2^3y)
=m^3*n^3
=(mn)^3