a^m=2,a^n=9 ap=3 求a(^m-2n+3P)

问题描述:

a^m=2,a^n=9 ap=3 求a(^m-2n+3P)
大家帮哈忙

a(^m-2n+3p)
=a^m÷a^2n×a^3p
=a^m÷(a^n)^2×(a^p)^3
=2÷9^2×3^3
=2/3