[tex] \frac{3}{10} + \frac{2}{10} = \frac{5}{10} [/tex]
A parcurs in a doua etapa
[tex] \frac{3}{10} + \frac{5}{10} = \frac{8}{10} [/tex]
A parcurs in prima si a doua etapa
Iar in a treia etapa a parcurs 2/10
[tex] \frac{10}{10} - \frac{8}{10} = \frac{2}{10} [/tex]
