Hellow guys, Welcome to my website, and you are watching 3-1 수학 1단원 덧셈과 뺄셈✏️ 2강. 덧셈을 해 볼까요 1(교과서 10~11쪽, 수학익힘책 6~7쪽). and this vIdeo is uploaded by 이누렁 선생님 at 2020-06-20T04:53:10-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
