BO GIAO ])t)C vA 1);\0 T~O [11)1H()C Qu6c cIArl jANH PH6 H6 CHI MINH TRUc)NCD~I HQC KHOAHQC H,! NHlt N a ~~I &''''~~ a N CTrY''''~ N , ( ''''r'''' )l \T(i T A " M",1\ 1 '''', ,,'''' Tn , D CHiNH UO,\ l\iQT 86 BAI ToAN[.]
BO GIAO ])t)C vA 1);\0 T~O [11)1H()C Qu6c cIArl jANH PH6 H6 CHI MINH TRUc)NCD~I HQC KHOAHQC H,! NHlt N a a ~~I:&'~~ N C TrY'~ ",1\ 1:', D , N " ( 'r' )l \T(i T AM ,,'_.Tn , CHiNH UO,\ l\iQT 86 BAI ToAN NGtf