Răspuns:
[tex] \frac{15}{7} - \frac{4}{7} \div \frac{5}{14} = \frac{15}{7} - \frac{4}{7} \times \frac{14}{5} = \\ \frac{15}{7} - \frac{8}{5} = 5 \times 15 - 8 \times 7 = 75 - 56 = 19[/tex]
