Задание

Найдите знаки:

  Числитель
[?||-]\(\displaystyle 3\) \(\displaystyle -7\)
Знаменатель [?||-]\(\displaystyle 4\) \(\displaystyle -\frac{3}{4}\) \(\displaystyle -\frac{7}{4}\)
[?||-]\(\displaystyle 8\) \(\displaystyle -\frac{3}{8}\) \(\displaystyle -\frac{7}{8}\)