Question

25 x 7/15:7/9нужно срочно 15 баллов

Answer 1

$1) 25 * \frac{7}{15} = \frac{25*7}{15} = \frac{5*7}{3} = \frac{35}{3}\\\\2) \frac{35}{3} : \frac{7}{9} = \frac{35*9}{3*7} = 5*3=15$

Answer 2

$25 \times \frac{7}{15} \div \frac{7}{9} = 15 \\ 1) \frac{25}{1} \times \frac{7}{15} = \frac{35}{3} \\ 2) \frac{35}{3} \div \frac{7}{9} = \frac{35}{3} \times \frac{9}{7} = 15$

Удачи!