1 - \frac{1}{3} \cdot 1.2 = 1 - \frac{1}{3} \cdot \frac{12}{10} = 1 - \frac{12}{30} = 1 - \frac{2}{5} = \frac{5}{5} - \frac{2}{5} = \frac{3}{5} = 0.6
Ответ: 0.6