[tex] \frac{3x}{20} ireductibila[/tex]
x=1,3,7,9⇒31/20,33/20,37/20,39/20
[tex] \frac{22}{1x} ireductibila[/tex]
x=3,5,7,9⇒22/13,22/15,22/17,22/19
[tex] \frac{1x}{24} ireductibila[/tex]
x=1,5,7,9⇒11/24,15/24,17/24,19/24
[tex] \frac{2x}{x4} ireductibila[/tex]
x=1,3,5,7,9⇒21/14,23/34,25/54,27/74,29/94
[tex] \frac{x}{7x} ireductibila[/tex]
x=1,3⇒1/71,3/73