Răspuns :
a) 10={1,2,5}
15={1,3,5,15}
20={1,2,4,5,10,20}
b) 12={1,2,3,4,6,12}
24={1,2,3,4,6,8,12,24}
30={1,2,3,5,6,10,15,30}
Răspuns:
a)D10=1,2,5,10
D15=1,3,5,15
D20=1,2,4,5,10,20
Divizori comuni:1,5,10
b)D12=1,2,3,4,6,12
D24=1,2,3,4,6,8,12
D30=1,2,3,5,6,10,15,30
Divizori comuni: 1,2,3,6