Răspuns:
[tex] \frac{1}{5} - \frac{7}{2} \div ( - \frac{14}{6} ) = \\ \\ \frac{1}{5} + \frac{7}{2} \div \frac{14}{6} = \\ \\ \frac{1}{5} + \frac{7}{2 } \times \frac{6}{14} = \\ \\ \frac{1}{5} + 7 \times \frac{3}{14} = \\ \\ \frac{1}{5} + \frac{3}{2} = \frac{2 + 15}{10} =
