Răspuns :
Afli prima data media de la istorie:
(7+6+9+10):4=
=32:4
=8
A doua oara afli media la romana:
(7+8+8+8+9):5=
=40:5
=8
Media dintre cele doua:
(8+8):2=
=8
(7+6+9+10):4=
=32:4
=8
A doua oara afli media la romana:
(7+8+8+8+9):5=
=40:5
=8
Media dintre cele doua:
(8+8):2=
=8