Hellow guys, Welcome to my website, and you are watching [기초 주산 6] 5-1을 주판으로 놓으니 정말 쉽네요!! 뺄셈이 어렵지 않아요! (홈스쿨). and this vIdeo is uploaded by 채널암산(권쌤) at 2020-05-15T17:30:01-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
