a + b + c = 252
b = 2a
c = a : 2
a |------|------|
b |------|------|------|------| } 252
c |------|
1. Cat reprezinta un segment?
252 : 7 = 36
2. Cat reprezinta al treilea numar?
36 ( un segment )
3. Cat reprezinta primul numar?
36 × 2 = 72
4. Cat reprezinta al doilea numar?
36 × 4 = 144