Question

выполните действие 2 1/4 : 1/6 2-1 3/7 12* 3/4

Answer 1

$2 \frac{1}{4} \div \frac{1}{6} = \frac{9}{4} \times 6 = \frac{9}{2} \times 3 = 13.5 \\ \\ 2 - 1 \frac{3}{7} = 2 - \frac{10}{7} = \frac{4}{7} \\ \\ 12 \times \frac{3}{4} = 3 \times 3 = 9$