Question

2 2/9 ÷1 7/9=?

8/13 ÷ 4​=?

Answer 1

Пошаговое объяснение:

$2\frac{2}{9} \div 1 \frac{7}{9} = \frac{20}{9} \times \frac{9}{16} = 5 \times \frac{1}{4} = \frac{5}{4} = 1 \frac{1}{4} \\ \\ \frac{8}{13} \div 4 =\frac{8}{13} \times \frac{1}{4} = \frac{2}{13}$