Notam:
a , b , c numerele
a + b + c = 418
a = 2 × c
b = a : 4 -2
a |____|____|____|____|
b |____|-2
c |____|____|
Avem 7 segmente egale -2 = 418
418 +2 = 420
420 : 7 = 60 ( un segment egal )
a = 4 × 60 = 240
b = 60 - 2 = 58
c = 2 × 60 = 120
Verificare:
240+58+120 = 418
a = 240
b = 58
c = 120