Răspuns:
Ionica+Viorel+Petrisor 96 timbre
ionica |............|..|+9
petrisor|.............|
viorel |.............|...|+9...|+3
egalam segmentele
96-9-9-3=75
aflam cate timbre are Petrisor:
75:3=25(timbre)
aglam cate timbre are Ionica:
25+9=34
aflam cate timbre are Viorel:
34+3=37
v:25+34+37=96