Hellow guys, Welcome to my website, and you are watching [ 진짜 공개 수업 ] 중1과학 질량이란 무엇인가? 질량과 무게를 구별하기 1탄. and this vIdeo is uploaded by 수업 잘하는 교사 이강토 at 2022-08-16T04:06:38-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
