Răspuns :
D54={1,2,3,6,9,18,27,54} ⇒ Card-D54 = 8
54:1=54
54:2=27
54:3=18
54:6=9
54:9=6
54:27=2
54:18=3
54:54=1
54:1=54
54:2=27
54:3=18
54:6=9
54:9=6
54:27=2
54:18=3
54:54=1