Задание
Расставьте знаки в произведениях:
| \(\displaystyle \times\) | \(\displaystyle 2\) | \(\displaystyle -3\) |
|---|---|---|
| \(\displaystyle 1\) | [?||-]\(\displaystyle 2\) | [?||-]\(\displaystyle 3\) |
| \(\displaystyle -4\) | [?||-]\(\displaystyle 8\) | [?||-]\(\displaystyle 12\) |