[tex] - \frac{4}{5} \times ( - \frac{3}{16} + \frac{1}{8} ) + \frac{3}{10} \times (1 - \frac{1}{2}) = [/tex]
aducem fractia 1/8 la acelasi numitor cu fractia -3/16 amplificand o cu 2
aducem fractia 1(1/1) cu acelasi numitor cu fractia -1/2 aplificand o cu 2
[tex] - \frac{4}{5} \times ( - \frac{3}{16} + \frac{2}{16} ) + \frac{3}{10} \times ( \frac{2}{2} - \frac{1}{2} )[/tex]
[tex] - \frac{4}{5} \times ( - \frac{1}{16} ) + \frac{3}{10} \times \frac{1}{2} [/tex]
- inmultit cu - da +
se simplifica 4 cu 16 prin 4 si obtinem:
[tex] \frac{1}{20} + \frac{3}{20} [/tex]
[tex] \frac{4}{20} [/tex]
se simplifica prin 4, rezultatul final fiind:
[tex] \frac{1}{5} [/tex]
