|____|.....+123.....| primul nr
|____|..........+405..........| al doilea nr
|____|.......+326.......| al treilea nr
872 - (123 + 405 + 326)=
872 - 854 =
18
1+1+1=3 (segmente egale)
18:3=6 (valoarea unui segment)
primul nr =1×6+123=6+123=129
al doilea nr =1×6+405=6+405=411
al treilea nr =1×6+326=6+326=332
verificare:
129+411+332=872
