2. Вычислите: \(\left(5 \frac{6}{5}-4\right) \cdot \frac{2}{3}\)

1) \(5 \frac{6}{5}-4 = 5 + \frac{6}{5} - 4 = 1 + \frac{6}{5} = \frac{5}{5} + \frac{6}{5} = \frac{11}{5}\) 2) \(\frac{11}{5} \cdot \frac{2}{3} = \frac{11 \cdot 2}{5 \cdot 3} = \frac{22}{15} = 1 \frac{7}{15}\) Ответ: 1 7/15