Задание
Найдите показатель степени:
| \(\displaystyle {\displaystyle\frac{13^9\cdot 19^6}{13^7\cdot 19^3}}=(13^9\cdot 19^6):(13^7\cdot 19^3)\,\) | \(\displaystyle =\) | \(\displaystyle \,13\) | [ ]
| \(\displaystyle \cdot\) | \(\displaystyle \,19\) | [ ]
|