Question

Un elev are uramatoarele medii anulale: 7,63 ;8;8,33;9;9,33;9;7,33;8,67;10;7,67;8;9;10. Calculeaza media acestora (cu doua zecimale) . Ajutoor! Urgent!

Answer 1

$m= \frac{7,63+8+8,33+9+9.33+9+7,33+8,67+10+7,67+8+9+10}{13}$
$m= \frac{111.96}{13}$
$m=8,61$

Answer 2

aduni notele si rezultatul este 111,96 , apoi (imparti 13 cate mediii ai )