3.
[tex] - \frac{10}{3} = - 3.(3)[/tex]
Ordinea este:
[tex] - 3, - 3.3, - \frac{10}{3} [/tex]
4.
[tex]a = \frac{1}{2} \times \frac{4}{3} - \frac{1}{3} \times \frac{6}{5} - ( - \frac{2}{3} ) [/tex]
[tex]a = \frac{2}{3} - \frac{2}{5} + \frac{2}{3} [/tex]
[tex]a = \frac{10}{15} - \frac{6}{15} + \frac{10}{15} [/tex]
[tex]a = \frac{14}{15} [/tex]
[tex] |a| = | \frac{14}{15} | = \frac{14}{15} [/tex]
