Răspuns:
media notelor este
Explicație pas cu pas:
7+5+8+8+6+9+6+9+7+7+5+6+9+10+6+6+7+6+7+8+ 5+8+10+7+10=162
10×3=30
7×6=42
5×3=15
8×4=32
6×6=36
9×3=27
30+42+15+32+36+27
=52+15+32+36+27
=67+32+36+27
=99+36+27
=135+27
=162
Cate note sunt?
3+6+3+4+6+3
=9+3+4+6+3
=12+4+6+3
=16+6+3
=22+3
=25
162÷25=6.48
(In clasa ta elevii nu infata prea bine la ce note al luat)