1. Вычислите: -37 - 19 ⋅ (-4). $$\frac{1}{3} + \frac{2}{5} : \frac{3}{35}$$. (4,6 - 9,1) ⋅ 0,4.

1. Вычислим: * -37 - 19 ⋅ (-4) = -37 + 76 = 39 * $$\frac{1}{3} + \frac{2}{5} : \frac{3}{35} = \frac{1}{3} + \frac{2}{5} ⋅ \frac{35}{3} = \frac{1}{3} + \frac{2 ⋅ 7}{3} = \frac{1}{3} + \frac{14}{3} = \frac{15}{3} = 5$$ * (4,6 - 9,1) ⋅ 0,4 = -4,5 ⋅ 0,4 = -1,8