Răspuns:
[tex] (\frac{1}{2} - \frac{1}{8} ) \times {2}^{4} = ( \frac{1}{2} {}^{4} - \frac{1}{8} ) \times {2}^{4} = (\frac{4}{8} - \frac{1}{8} ) \times16 = \frac{3}{8} {}^{2} \times 16 = \frac{6}{16} \times 16 = 6[/tex]
Explicatie: La final se simplifica 16 cu 16
