Ответ:
\(6:10=\frac{6}{10}\); \(4:6=\frac{4}{6}\); \(2:7=\frac{2}{7}\); \(4:8=\frac{4}{8}\); \(3:9=\frac{3}{9}\); \(7:9=\frac{7}{9}\).
\(6:10=\frac{6}{10}\); \(4:6=\frac{4}{6}\); \(2:7=\frac{2}{7}\); \(4:8=\frac{4}{8}\); \(3:9=\frac{3}{9}\); \(7:9=\frac{7}{9}\).