Simplify the following expressions: 11. 1/3 * n + 1/10 * n

Решение:

1. \[ \frac{1}{3} n + \frac{1}{10} n = \left( \frac{1}{3} + \frac{1}{10} \right) n = \left( \frac{10}{30} + \frac{3}{30} \right) n = \frac{10+3}{30} n = \frac{13}{30} n \]

Ответ: \(\frac{13}{30}n\)