Question

решить 2 1/7:3/8
ппрооог​

Answer 1

Пошаговое объяснение:

$2 \frac{1}{7} \div \frac{3}{8 } = \frac{(2 \times 7 + 1) \times 8}{7 \times 3} = \frac{(14 + 1) \times 8}{7 \times 3} = \frac{15 \times 8}{7 \times 3} = \frac{120}{7 \times 3} = \frac{120}{21} = \frac{40}{7} = 5 \frac{5}{7}$

Answer 2

$21 7 \div 23$