Ответ:
\(\frac{7}{10}:\frac{3}{5}=\frac{7}{10}\cdot\frac{5}{3}=\frac{7}{6}\).
\(\frac{1}{2}+\frac{7}{6}=\frac{3}{6}+\frac{7}{6}=\frac{10}{6}=\frac{5}{3}\).
Ответ: \(\frac{5}{3}\).
\(\frac{7}{10}:\frac{3}{5}=\frac{7}{10}\cdot\frac{5}{3}=\frac{7}{6}\).
\(\frac{1}{2}+\frac{7}{6}=\frac{3}{6}+\frac{7}{6}=\frac{10}{6}=\frac{5}{3}\).
Ответ: \(\frac{5}{3}\).