Ответ:
- \(x=\frac{2}{13}:\frac{5}{13}=\frac{2}{5}\).
- \(x=24:\frac{6}{7}=24\cdot\frac{7}{6}=28\).
- \(x=\frac{3}{4}:7=\frac{3}{4}\cdot\frac{1}{7}=\frac{3}{28}\).
Ответ: 1) \(\frac{2}{5}\); 3) 28; 4) \(\frac{3}{28}\).
Ответ: 1) \(\frac{2}{5}\); 3) 28; 4) \(\frac{3}{28}\).