3. 2/7 + 3/8 : 7/32

3. Вычислите: $$ \frac{2}{7} + \frac{3}{8} : \frac{7}{32} $$

1. $$ \frac{3}{8} : \frac{7}{32} = \frac{3}{8} \cdot \frac{32}{7} = \frac{3 \cdot 32}{8 \cdot 7} = \frac{96}{56} = \frac{12}{7} $$
2. $$ \frac{2}{7} + \frac{12}{7} = \frac{2+12}{7} = \frac{14}{7} = 2 $$

Ответ: 2