∠AOB + ∠BOC = 125°
1.5∠BOC + ∠BOC = 125°
2.5∠BOC = 125°
∠BOC = 125° / 2.5 = 50°
∠AOB = 1.5 × 50° = 75°
Ответ: ∠AOB = 75°, ∠BOC = 50°