Задание
Найдите знаки множителей:
| \(\displaystyle \times\) | [?||-]\(\displaystyle 2\) | [?||-]\(\displaystyle 5\) |
|---|---|---|
| [?||-]\(\displaystyle 3\) | \(\displaystyle -6\) | \(\displaystyle -15\) |
| \(\displaystyle 9\) | \(\displaystyle 18\) | \(\displaystyle 45\) |