Вычислите: \(\frac{7}{26}-\frac{1}{39}.\) \(\frac{19}{78}\) \(\frac{6}{78}\) \(\frac{6}{13}\)
Задание

Вычислите: \(\frac{7}{26}-\frac{1}{39}.\)

  • \(\frac{19}{78}\)
  • \(\frac{6}{78}\)
  • \(\frac{6}{13}\)