Hellow guys, Welcome to my website, and you are watching [정보를 읽자] 평행선을 알고 잘 써먹을 수 있으면 좋겠어^^. and this vIdeo is uploaded by 김강용: 심화와 응용에 강한 수학 at 2020-12-12T00:17:46-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
