Задание

Вычислите \(\frac{2}{7}-\frac{5}{9}-\frac{4}{9}-\frac{4}{7}\) .

  • \(-2\frac{437}{700}\)
  • \(-1\frac{37}{700}\)
  • \(-\frac{74}{175}\)
  • \(\frac{563}{700}\)