Răspuns :
G+R+C=797
G+R=674
R+C=364
797-674=123(C)
364-123=241(R)
674-241=433(G)
VERIFICARE:123+241+433=797
G+R=674
R+C=364
797-674=123(C)
364-123=241(R)
674-241=433(G)
VERIFICARE:123+241+433=797