Multiplii lui 2
0,2,4,6,8,10,12,14,16,18,20......din 2 in 2 ....
Multiplii lui 5
0,5,10,15,20,25,30,35,60......din 5 in 5 .....
Multiplii lui 10
0,10,20,30,40,50,60,70,80,90,100......din 10 in 10
25 si 80 satisfac 5 si 2 si 10
90 si 105 satisface 5
10 si 60 satisface 10
16 si 522 satisface 2
