Question

Calculati media cu 2 zecimale exacte a unui elev care a obtinut la bacalaureat urmatoarele note
9,90 ; 9,75 ; si 9,45
7,50 ; 8,25 si 8,45
10 ; 10 si 9,80
Va rog mult!

Answer 1

M1=(9,9+9,75+9,45)/3=29,1/39,70
M2=(7,50+8,25+8,45)/3=25,55/3=8,51(6)=8,52
M3=(10+10+9,8)/3=9,9(3)=9,93