Răspuns :
Gicu /..../
Emil /..../+4
Costel /..../+8
27-12=15
15/3=5 (Gcu)
5+4=9 (Emil0
5+8=13 (Costel)
verificare 5+9+13=27
Emil /..../+4
Costel /..../+8
27-12=15
15/3=5 (Gcu)
5+4=9 (Emil0
5+8=13 (Costel)
verificare 5+9+13=27
E + G + C =27
E + 4
G + 8
C + 0
27 - 12 = 15
15 : 3 = 5 = G
5 + 4 =9 = E
9 + 4 =13 = C
E + 4
G + 8
C + 0
27 - 12 = 15
15 : 3 = 5 = G
5 + 4 =9 = E
9 + 4 =13 = C