Hellow guys, Welcome to my website, and you are watching [중1] 문자와 식, 문자를 사용한 식으로 나타내기, 문자의 사용, 상수와 변수 개념 이해. and this vIdeo is uploaded by 해바라기 중학수학 at 2020-06-26T21:18:19-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
