Задание
Расставьте правильные знаки у дробей:
| Числитель | |||
|---|---|---|---|
| \(\displaystyle a\) | \(\displaystyle -b\) | ||
| Знаменатель | \(\displaystyle c\) | [?||-]\(\displaystyle \frac{a}{c}\) | [?||-]\(\displaystyle \frac{b}{c}\) |
| \(\displaystyle -d\) | [?||-]\(\displaystyle \frac{a}{d}\) | [?||-]\(\displaystyle \frac{b}{d}\) | |