5) $$5\frac{1}{2} : 10\frac{2}{4} =$$ 6) $$16 : 48 =$$ 7) $$\frac{3}{7} : 7 =$$ 12) $$16 : \frac{4}{8} =$$ 13) $$\frac{13}{15} : 2 =$$ 14) $$\frac{7}{15} : \frac{35}{45} =$$ 4. Вычислите: 1) $$(\frac{6}{8} + \frac{5}{6}) \cdot 3 + (\frac{10}{12} - \frac{6}{8}) \cdot 4 =$$ 2) $$(3\frac{3}{5} + 2\frac{5}{7}) \cdot 14 - (2\frac{1}{2} - \frac{5}{8}) \cdot 4 =$$ 3) $$(\frac{2}{3} + \frac{3}{8} - \frac{11}{12}) \cdot 5\frac{2}{3} =$$ 4) $$(2\frac{5}{9} + 3\frac{5}{6} - 3\frac{3}{4}) \cdot (2\frac{1}{2} - \frac{11}{14}) =$$ *1) $$\frac{5\frac{1}{8} \cdot 2}{5\frac{1}{8} \cdot 2} : \frac{5 \cdot \frac{6}{35}}{\frac{11}{40} \cdot 2\frac{2}{9}} =$$ *2) $$\frac{4\frac{2}{5} - 3\frac{3}{4} + 8\frac{7}{15} - 8\frac{7}{60}}{4\frac{1}{4} - 2\frac{3}{4}} =$$