Răspuns:
Toma+Tudor+Traian =745
Toma=178
aflam cat are Tudor cu Traian
745-178=567
diferenta dintre Tudor si Traian este de 347,adica
Tudor|...........|.....|347 impreuna au 567
Traian|...........|
egalam seg
567-347=220
aflam cat are Traian
220:2=110
afllam cat are Tudor
110+347=457
v:178+110+457=745
am lucrat corect