Răspuns:
[tex]= 5*\frac{5*3+2}{3} - \frac{48}{10}* (-2,5)^{2} =[/tex]
[tex]= 5*\frac{17}{3} - \frac{24}{5}* (\frac{25}{10})^{2} =[/tex]
[tex]= \frac{85}{3} - \frac{24}{5}* (\frac{5}{2})^{2} =[/tex]
[tex]= \frac{85}{3} - \frac{24}{5}* \frac{25}{4} =[/tex]
[tex]= \frac{85}{3} - 6*5 =[/tex]
[tex]= \frac{85-3*30}{3}=[/tex]
[tex]= -\frac{5}{3}[/tex]
Explicație pas cu pas:
(-2,5)² = 2,5²
