Hellow guys, Welcome to my website, and you are watching 20 ◈일차방정식의 활용 개념강의 2/3(거리시간속력, 기차의 다리 통과시간, 강물과배). and this vIdeo is uploaded by 매쓰랭귀지 수학 - 진주혁신 at 2023-05-12T04:07:35-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
