Hellow guys, Welcome to my website, and you are watching [중1] 절댓값 뜻과 성질 - 개념 이해 / 정수와 유리수 (4강). and this vIdeo is uploaded by 해바라기 중학수학 at 2020-04-18T09:33:44-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
