Задание 1, 1) (1/12 + 17/15) * 10/3

\( \frac{1}{12} + \frac{17}{15} = \frac{5}{60} + \frac{68}{60} = \frac{73}{60} \). \( \frac{73}{60} \cdot \frac{10}{3} = \frac{730}{180} = \frac{365}{90} = \frac{73}{18} \).