(a的n-2次方)的3次方
问题描述:
(a的n-2次方)的3次方
答
[a^(n-2)]^3
=a^[3*(n-2)]
=a^(3n-6).
(a的n-2次方)的3次方
[a^(n-2)]^3
=a^[3*(n-2)]
=a^(3n-6).