7. Найдите значение выражения \(1 - \frac{4}{5} \cdot 2\frac{2}{9}\)

1. \(2\frac{2}{9} = \frac{2 \cdot 9 + 2}{9} = \frac{18 + 2}{9} = \frac{20}{9}\) 2. \(\frac{4}{5} \cdot \frac{20}{9} = \frac{4 \cdot 20}{5 \cdot 9} = \frac{80}{45} = \frac{16}{9}\) 3. \(1 - \frac{16}{9} = \frac{9}{9} - \frac{16}{9} = \frac{9 - 16}{9} = \frac{-7}{9} = -\frac{7}{9}\) Ответ: \(-\frac{7}{9}\)