Задание
Расставьте знаки в произведениях:
| \(\displaystyle \times\) | \(\displaystyle 6\) | \(\displaystyle -7\) |
| \(\displaystyle -2\) | [?||-]\(\displaystyle 12\) | [?||-]\(\displaystyle 14\) |
| \(\displaystyle 9\) | [?||-]\(\displaystyle 54\) | [?||-]\(\displaystyle 63\) |