Question

Afla media aritmetica daca Andrei are la matematica 9 ,5 , 4 , 5 ,6 si la teza 5

Answer 1

9+5+4+5+6:5 = $\frac{29}{5}$  = 5,80

3x5,80+5/4 = $\frac{22,4}{4}$ = 5,6 = 6(sase)