(-2/3)五次方÷(2/3)三次方 用同底数幂的除法

问题描述:

(-2/3)五次方÷(2/3)三次方 用同底数幂的除法

(-2/3)五次方÷(2/3)三次方
=-(2/3)五次方÷(2/3)三次方
=-(2/3)(5-3)次方
=-(2/3)²
=-4/9