Hellow guys, Welcome to my website, and you are watching [수다학] - 수학은 틀리는 아이가 잘한다 - 박왕근, 폴수학학교 교장 / YTN DMB. and this vIdeo is uploaded by YTN dmb at 2015-06-01T05:39:46-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
