Hellow guys, Welcome to my website, and you are watching 초등수학 3학년 1학기 5단원_길이와 시간_③ 길이와 거리를 어림하고 재어 보기(1). and this vIdeo is uploaded by 수학공장 Math Factory at 2019-03-11T04:00:04-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
