Răspuns:
3)
a) 2: 0, 1
b) 3: 0,1,2
c) 5: 0,1,2,3,4
d)9: 0,1,2,3,4,5,6,7,8
e)6: 0,1,2,3,4,5
f)10: 0,1,2,3,4,5,6,7,8,9
4)
a) 2: 3, 4, 5, 6,8,9, 10, 11,12,13,14,15,16,17,18, 19, 20....
b) 3: 4,5,6,7,8,9,10,11,12,13,1415,16,17,18,19,20....
c) 5:6,7,8,9,10,11,12,13,14,15,16,17,18,19,20....
d) 9: 10,11,12,13,14,15,16,17,18,19,20....
e) 6: 7,8,9,10,12,13,14,15,16,17,18,19,20...
f) 10: 11,12,13,14,15,16,17,18, 19,20....
