Răspuns :
P(ABC)=22 => l + l + l = 22
AB+BC+AC=22
cum AB=BC => 2AB+AC=22
2AB+6=22
2AB=16
AB=8
rezolvare: AB + BC + AC = 22
8 + 8 + 6 = 22
16 + 6 = 22
22 = 22
P(ABC)=22 => l + l + l = 22
AB+BC+AC=22
cum AB=BC => 2AB+AC=22
2AB+6=22
2AB=16
AB=8
rezolvare: AB + BC + AC = 22
8 + 8 + 6 = 22
16 + 6 = 22
22 = 22