Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching (LEVEL 1 한자리수 + 한자리수) 덧셈 놀이,더하기 놀이, (Math. Subtraction & Addition. 1st & 2nd grade. Flashcards. ). and this video is uploaded by 수진샘의초등교육TV at 2020-07-05T09:10:19-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [4oAqo894JY0]