Ответ:
\(\frac35>\frac25\); \(\frac24<\frac68\); \(\frac39<\frac36\); \(\frac12=\frac24\); \(\frac12<\frac35\); \(\frac14<\frac48\); \(\frac14>\frac18\).
\(\frac35>\frac25\); \(\frac24<\frac68\); \(\frac39<\frac36\); \(\frac12=\frac24\); \(\frac12<\frac35\); \(\frac14<\frac48\); \(\frac14>\frac18\).