Odpowiedź :
zad 1:
D24 = {1,2,3,4,6,8,12,24}
D28 = {1,2,4,7,14,28}
D40 = {1,2,4,5,8,10,20,40}
D50 = {1,2,5,10,25,50}
zad 2:
W6 = {0,6,12,18,24}
W12 = {0,12,24,36,48}
W30 = {0,30,60,90,120}
zad 3:
a) 2,19,23,31
b) 8,18,27
zad 4:
a) 50,28,490,238,1104,2100,13000
b) 50,15,490,2100,325,13000
c) 50,490,2100,13000
d)2100,13000
e)1104,2100,13000