Question

Efectuați operațiile :
b) -1 supra 8 ×32 supra -5 supra 6 :5 supra 2​

Answer 1

Răspuns:

$- \frac{1}{8} \times \frac{32}{ \frac{ - 5}{6} } \div \frac{5}{2} \\ = - \frac{1}{8} \times (32 \div - \frac{5}{6} ) \div \frac{5}{2} \\ = - \frac{1}{8} \times 32 \times - \frac{6}{5} \times \frac{2}{5} \\ = 4 \times \frac{6}{5} \times \frac{2}{5} \\ = \frac{3}{25}$