a + b + c = 205
a = 2×c
b : c = 4 rest 2
b = 4×c+2 (conform T.I.R.)
a /------/------/
b /------/------/------/------/+2
c /------/
205 - 2 = 203
203 : 7 = 29 (valoarea unui segment egal)
a = 2 × 29 = 58
b = 4 × 29 + 2 = 116 + 2 = 118
c = 29
Verificam:
58 + 118 + 29 = 205