Răspuns:
a)
[tex] \frac{5}{2} = \frac{35}{14} [/tex]
[tex] \frac{35}{5} = \frac{14}{2} [/tex]
[tex] \frac{2}{14} = \frac{5}{35} [/tex]
[tex] \frac{14}{35} = \frac{2}{5} [/tex]