Hellow guys, Welcome to my website, and you are watching [모아보기 3] 기초주산 모음 (5를 활용한 2의 덧셈과 뺄셈). and this vIdeo is uploaded by 채널암산(권쌤) at 2020-12-25T16:30:00-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
