Răspuns :
60 impartit la 3 =20
3-o treime
60-20=40
40 impartit la 2 =20
20 sticle de 2 l
3-o treime
60-20=40
40 impartit la 2 =20
20 sticle de 2 l
1/3 din 60= 1/3 x60= 60/3= 20 l
60 - 20 =40 l (ramasi)
40l : 2l= 20 sticle
60 - 20 =40 l (ramasi)
40l : 2l= 20 sticle