Π—Π°ΠΊΠ°Π·Π°Ρ‚ΡŒ Ρ€Π΅ΠΊΠ»Π°ΠΌΡƒ Π² IGCSE and A levels (CIE/Edexcel) teachings ,discussions and knowledge (Physics and Maths ) β€” Telagon