Задание
Найдите пропущенные числа:
| \(\displaystyle \frac{5}{7}+\frac{1}{9}=\) | [ ]\(\displaystyle \cdot \,5\) \(\displaystyle 9 \cdot 7\) | \(\displaystyle +\) | \(\displaystyle 1\, \cdot\)[ ] \(\displaystyle 9 \cdot 7\) | \(\displaystyle =\) | [ ] [ ] |