Задание
Расставьте правильные знаки у дробей:
| Числитель | |||
|---|---|---|---|
| \(\displaystyle -m\) | \(\displaystyle n\) | ||
| Знаменатель | \(\displaystyle l\) | [?||-]\(\displaystyle \frac{m}{l}\) | [?||-]\(\displaystyle \frac{n}{l}\) |
| \(\displaystyle -k\) | [?||-]\(\displaystyle \frac{m}{k}\) | [?||-]\(\displaystyle \frac{n}{k}\) | |