2cuburi............4bile................90g
4cuburi ............8bile.............180g
3cuburi.............8bile..............155g
1 cub..................0bile..............25g
Deci un cub = 25 g / cub
O bile = (90 - 2x25 ) : 4=
=> (90-50):4 =
=> 40:4= 10 g / bila
