do tien hung
Giới thiệu về bản thân
Welcome to my house ! In my avatar,there is my study place and me!I'm wearing a fitting T-shirt(size L) which was posted by OLM's manager instead of the old one (size S).If you make friend with me and want to send a message,your purpose must be asking me for the way to solve a math problem or my information which is necessary.I study grammar well but my speaking and listening are OK.I join many Internet competition like : Math Violympic(Vietnamese & English);Physics Violympic;IOE.
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