Задание
Расставьте знаки в произведениях:
\(\displaystyle \times\) | \(\displaystyle -2\) | \(\displaystyle -9\) |
\(\displaystyle 7\) | [?||-]\(\displaystyle 14\) | [?||-]\(\displaystyle 63\) |
\(\displaystyle -3\) | [?||-]\(\displaystyle 6\) | [?||-]\(\displaystyle 27\) |