Question

Elevii otin urm note.Media clasei rotunjite cu doua zecimale.

Nota: 5 6 7 8 9 10
Nr.elevi: 3 5 4 5 5 4


va roooooog ajutor​

Answer 1

Răspuns:

M=5×3+6×5+7×4+8×5+9×5+10×4 supra 3+5+4+5+5+4

M=15+30+28+40+45+40 supra 26

M=198 supra 26

M=7,53