Question

пж в СТОЛБИК ОБЕЗАТЕЛЬНО!!!!!!!!!​

Answer 1

$3 \frac{3}{4} \times 1 \frac{1}{3} \times 2 \frac{1}{7} = \frac{15 \times 4 \times 15}{4 \times 3 \times 7} = \frac{5 \times 1 \times 15}{1 \times 1 \times 7 } = \frac{75}{7} = 10 \frac{5}{7}$