1. Cat a citit in a doua saptamani ?
[tex] \frac{5}{18} + \frac{2}{18} = \frac{7}{18} [/tex]
2. Cat a citit in primele 2 saptamani ?
[tex] \frac{5}{18} + \frac{7}{18} = \frac{12}{18} [/tex]
2. Cat a citit a treia saptamana ?
[tex] \frac{18}{18} - \frac{12}{18} = \frac{6}{18} [/tex]