Question

Calculati media aritmetica a numerelor a ) 2; 7 si 24 b ) 9; 13 si 8 c) 9; 19; 17 si 3 d) ;:12 ; 21 si 3

Answer 1

(2+7+24):3=33:3=11
(9+13+8):3=30:3=10
(9+19+17+3):4=48:4=12
(12+21+3):3=36:3=12

Answer 2

a) (2 + 7 + 24) : 3 = 
(9 + 24) : 3 = 
33 : 3 = 11

b) (9 + 13 + 8) : 3 = 
(22 + 8) : 3 =
30 : 3 = 10

c) (9 + 19 + 17 + 3) : 4 =
(28 + 20) : 4 =
48 : 4 = 12 

d) (12 + 21 + 3) : 3 =
(33 + 3) : 3 =
36 : 3 = 12