1. l____l
2. l____l____l____l____l____l
3. l____l____l____l____l____l____l____l____l____l____l }208
Numarul partilor egale: 1+5+10=16
Primul numar: 208:16=13
Al doilea numar: 13×5=65
Al treilea numar: 65×2=130 R. 13; 65; 130
Verificare: 13+65+130=208