8. Вычислите: \((12\frac{3}{5} \cdot \frac{3}{4} - 4\frac{4}{11}) : (2\frac{3}{7})\)

1. \(12\frac{3}{5} = \frac{63}{5}\) 2. \(\frac{63}{5} \cdot \frac{3}{4} = \frac{189}{20}\) 3. \(4\frac{4}{11} = \frac{48}{11}\) 4. \(\frac{189}{20} - \frac{48}{11} = \frac{189 \cdot 11 - 48 \cdot 20}{220} = \frac{2079 - 960}{220} = \frac{1119}{220}\) 5. \(2\frac{3}{7} = \frac{17}{7}\) 6. \(\frac{1119}{220} : \frac{17}{7} = \frac{1119}{220} \cdot \frac{7}{17} = \frac{1119 \cdot 7}{220 \cdot 17} = \frac{7833}{3740} \approx 2.09\) Ответ: \(\frac{7833}{3740}\)