Hellow guys, Welcome to my website, and you are watching [차길영의 3초 풀이법] 고1 중간고사 수학 '이차방정식'. and this vIdeo is uploaded by 차길영의 세븐에듀 at 2019-04-13T01:00:02-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
