Question

calculati media aritmetica a numerelor     
a) 2,7 si 24 ,b 9,13 si 8          c) 9,19 ,17 si 3             d)6,12,21,33 si 3

Answer 1

2+7+24=33:3=11

9+13+8=30:3=10

9+19+17+3=48:4=12

6+12+21+33+3=75:5=15

Answer 2

(2+7 + 24):3=33:3=11
(9+13+8):3=30:3=10
(9+19+17+3):4=48:4=12
(6+12+21+33+3):5=75:5=15