Question

va rogg e urgentt !!! DAU COROANA!​

Answer 1

Răspuns:

$= 5*\frac{5*3+2}{3} - \frac{48}{10}* (-2,5)^{2} =$

$= 5*\frac{17}{3} - \frac{24}{5}* (\frac{25}{10})^{2} =$

$= \frac{85}{3} - \frac{24}{5}* (\frac{5}{2})^{2} =$

$= \frac{85}{3} - \frac{24}{5}* \frac{25}{4} =$

$= \frac{85}{3} - 6*5 =$

$= \frac{85-3*30}{3}=$

$= -\frac{5}{3}$

Explicație pas cu pas:

(-2,5)² = 2,5²