Question

1) Calculati media aritmetica a numerelor 2,8; 7,4 si 5,28.

Answer 1

(2+8):2=5

(7+4):2=5,5

(5+28):2=16,5

Answer 2

............................................................

$\frac{2,8+7,4+5,28}{3} =\frac{15,48}{3} = 5,16$

5,16