Hellow guys, Welcome to my website, and you are watching 3-1 수학 1단원 덧셈과 뺄셈✏️ 8강. 단원 마무리(교과서 22~27쪽). and this vIdeo is uploaded by 이누렁 선생님 at 2020-06-20T05:29:37-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
