Răspuns:
[tex] \frac{4}{5} + \frac{9}{5} = \frac{13}{5} =[/tex]
[tex] \frac{4}{3} + \frac{28}{3} = \frac{32}{3} [/tex]
b)
[tex] \frac{4}{5} + \frac{9}{5} = \frac{13}{5} [/tex]
e)
[tex] \frac{4}{3} + \frac{28}{3} = \frac{32}{3 } [/tex]
