Răspuns :
3-3,,6,9,12,15,18,21
6-6,12,18,24,30,36,42,48
12-12,24,36,48,60,72,84
13-13,26,39,52,67
102-102,204,306.408.510
6-6,12,18,24,30,36,42,48
12-12,24,36,48,60,72,84
13-13,26,39,52,67
102-102,204,306.408.510
3-0,3,6,9,12
6-0,6,12,18,24
12-0,12,24,36,48
13-0,13,26,39,52
102-0,102,204,306,408