已知a^m=3 a^n=5 ,求a^3n-2m的值
问题描述:
已知a^m=3 a^n=5 ,求a^3n-2m的值
答
a^3n-2m
=a^3n/a^2m
=5³/3²
=125/9
已知a^m=3 a^n=5 ,求a^3n-2m的值
a^3n-2m
=a^3n/a^2m
=5³/3²
=125/9