......................
......................
1 - x 2 - x + 5 3 - x + 5 + 8 1,8 m = 180 cm 180 - (5 + 5 + 8) = 180 - 18 = 162 [cm] 162 : 3 = 54 [cm] Czyli: 1 - 54 cm 2 - 54 + 5 = 59 [cm] 3 - 54 + 5 + 8 = 67 [cm] Odp. 1 sznurek ma 54 cm, drugi 59 cm, a trzeci 67 cm.