б) \(\frac{12}{11} : \frac{3}{4} \cdot \frac{11}{24}\);

б) \(\frac{12}{11} : \frac{3}{4} \cdot \frac{11}{24} = \frac{12}{11} \cdot \frac{4}{3} \cdot \frac{11}{24} = \frac{12 \cdot 4 \cdot 11}{11 \cdot 3 \cdot 24} = \frac{1 \cdot 4 \cdot 1}{1 \cdot 3 \cdot 2} = \frac{4}{6} = \frac{2}{3}\)

Ответ: \(\frac{2}{3}\)