Question

5 класс
5/7 × 5/7 ×1/15

Answer 1

$frac{5}{7} times frac{5}{7} times frac{1}{15} = frac{5 times 5 times 1}{7 times 7 times 15} = frac{25}{735} = frac{5}{147}$

Answer 2

спасибо