Explicație pas cu pas:
[tex]\frac{2}{9}\cdot \left( - \frac{4}{3} + \frac{5}{6} \right) = \frac{2}{9}\cdot \left( - \frac{8}{6} + \frac{5}{6} \right) = \frac{2}{9}\cdot \left( - \frac{8 - 5}{6}\right) \\ = \frac{2}{9}\cdot \left( - \frac{3}{6} \right) = - \frac{1}{9}[/tex]
