Question

Вычислите 1 2/3 - 3/20 * 5/18 Пожалуйста

Answer 1

$1 \frac{2}{3} - \frac{3}{20} \times \frac{5}{18} = \\ 1 \frac{2}{3} - \frac{1 \times 1}{4 \times 6} = \\1 \frac{2}{3} - \frac{1}{24} = \\ 1 \frac{16}{24} - \frac{1}{24} = \\ 1 \frac{15}{24} = 1 \frac{5}{8} =1.625.$