Задание
Найдите пропущенные числа:
| \(\displaystyle \frac{1}{2}-\frac{3}{7}=\) |
\(\displaystyle 1\cdot 7\)
\(\displaystyle 2\cdot\)[ ] | \(\displaystyle -\) |
\(\displaystyle 2\cdot 3\)
[ ]\(\displaystyle \cdot 7\) | \(\displaystyle =\) |
[ ] |