Блок №2. №13: (4/9 − 3 1/15) : 1/9

\(3\frac{1}{15}=\frac{46}{15}\). \(\left(\frac{4}{9}-\frac{46}{15}\right):\frac{1}{9}=-\frac{118}{45}\cdot9=-\frac{118}{5}\).

Ответ: \(-\frac{118}{5}\)