Question

дам 100 балов 1. 2/14 * 49 * 10
2. 1/36 : 5/9

Answer 1

$\frac{2}{14} \times 49 \times 10 = \frac{1}{7} \times 49 \times 10 = 7 \times 10 = 70$

$\frac{1}{36} \div \frac{5}{9} = \frac{1}{36} \times \frac{9}{5} = \frac{1}{4} \times \frac{1}{5} = \frac{1}{20}$