Răspuns :
[\tex]2- \frac{2}{3} , amplifici 2 ( \frac{2}{1} ) cu 3 si iese:
\frac{6}{3} - \frac{2}{3} = \frac{4}{3[tex]
\frac{6}{3} - \frac{2}{3} = \frac{4}{3[tex]