Răspuns :
Salut!
[tex] \bf \large a) \frac{7}{5} - \frac{2}{5} = \frac{5}{5} = \red {1.} [/tex]
[tex] \bf \large b) \frac{3}{7} + \frac{11}{7} = \frac{14}{7} ^{(7} = \red {2.} [/tex]
Salut!
[tex] \bf \large a) \frac{7}{5} - \frac{2}{5} = \frac{5}{5} = \red {1.} [/tex]
[tex] \bf \large b) \frac{3}{7} + \frac{11}{7} = \frac{14}{7} ^{(7} = \red {2.} [/tex]