Задание
Расставьте знаки в произведениях:
| \(\displaystyle \times\) | \(\displaystyle -7\) | \(\displaystyle 3\) |
| \(\displaystyle -8\) | [?||-]\(\displaystyle 56\) | [?||-]\(\displaystyle 24\) |
| \(\displaystyle 4\) | [?||-]\(\displaystyle 28\) | [?||-]\(\displaystyle 12\) |