Question

Ex 6 SUB 1
e urgent va rog
Dau coroana

Answer 1

Răspuns:

7,75

Explicație pas cu pas:

$Ma = \frac{2*5+3*6+6*7+5*8+4*9+4*10}{2+3+6+5+4+4}= \frac{10+18+42+40+36+40}{24}= \frac{186}{34} =7,75$

Answer 2

Răspuns:

2+3+6+5+4+4=24 elevi

Ma=(2·5+3·6+6·7+5·8+4·9+4·10)/24

Ma=(10+18+42+40+36+40)/24

Ma=186/24

Ma=7,75