Răspuns:
[tex]\frac{1}{5} + \frac{2}{5}= \frac{3}{5} \\ \\\frac{2}{6}+\frac{1}{6} + \frac{2}{6} = \frac{5}{6} \\\\\frac{7}{8} - \frac{4}{8} = \frac{3}{8} \\\\\frac{6}{7} - \frac{3}{7} = \frac{3}{7}[/tex]
[tex]\frac{3}{5}[/tex] cu patratele
[tex]\frac{5}{6}[/tex] cu segmentele
[tex]\frac{3}{8}[/tex] cu cercul
[tex]\frac{3}{7}[/tex] cu cercurile
