①$$\\frac{5}{6}+\\frac{7}{12}:\\frac{7}{2}$$

1) $$\frac{7}{12}:\frac{7}{2}=\frac{7}{12} \times \frac{2}{7}=\frac{1}{6}$$

2) $$\frac{5}{6}+\frac{1}{6}=\frac{6}{6}=1

Ответ: 1