Question

sa se calculeze media aritmetica a nr naturale de forma 1x divizibile cu 2

Answer 1

1x divizibil cu 2
10
12
14
16
18
10+12+14+16+18 supra 5
70:5=14

Answer 2

$\overline{1x} \: \: \: \vdots \: \: \: 2 = > x \: \in \: \left \{ 0,2,4,6,8\right \}$

$= > \overline{1x} \: : \: 10,12,14 ,16,18$

$m_{a} = \frac{10 + 12 + 14 + 16 + 18}{5}$

$m_{a} = \frac{70}{5}$

$m_{a} = 14$