BO GIAO DUG VA DAO TAo *€ HOI ToAN HQc VIET NAM tal# rg iS * * i{ DANH cHo rRUNc Hqc pHd THONG vArRuNG HQc c0s0 Dai tuong V6 Nguydn Gidp vA hpc sinh gi6i cfia Thfi dO NAM cHIEN THANG DIEIU BIEN PHU 7,5 1 954 7,5 2004 l,i ) l \l ,,*\\,,s" ia sI\\ $',\il,$ tr, i* ,\ ' *,, |$ Nli\ tiI, I'1i, ' , "' , r*, t fl ti u' m trr,l tx,t*r l,l i$ ,i i\,, f l +i qit ,]$ $' ," r* I ,,i qu6'c gia D€it vtti THTT tit thdi hoc cdp II (1977) Doctt gidi nhi trong cubc thi gidi todn ndm 1980 1[.]