Question

3 цілих 3 п'ятих розділити на 2 п'ятих

Answer 1

Ответ:

$3 \frac{3}{5} \div \frac{2}{5} = \frac{18}{5} \times \frac{5}{2} = 9$

Answer 2

$\displaystyle3 \frac{3}{5} \div \frac{2}{5} = \frac{5 \times 3 + 3}{5} \div \frac{2}{5} = \frac{15 + 3}{5} \div \frac{2}{5} = \frac{18}{5} \div \frac{2}{5} = \frac{18}{5} \times \frac{5}{2} = \frac{18 \times 5}{5 \times 2} = \frac{18}{2} = 9.$