... õỷc trổng hỗnh hoỹc:).(45 ,20 8,1 72 1, 722 36).(1, 722 36])3,430(4,31744 [2 12 56 .2 ).(45,38,1 72 7 ,20 52 ).(7 ,20 52] )9 ,23 ,4(4,31744 [2) 19 ,2( 0,1 12 12 2.56 2 42 3 2 2 2 422 3 2 cmrcmJcmFJrcmJyymxxxKhoaớng ... (33, 129 454,1776,617 29 ,4 12 13,180 42, 141,19)34( 12 89 2 22 2 2 22 mkgqhBACCBFMPB).(88,936,44,1776,617 )29 ,4 (2 )0 42, 128 ,23 13,141, 12( )34 (2 32 2kgqhBACAFBCRPBVỏỷy 2 . 2 ttPBBPCHqHRMM ... Viãût Nam 27 37 - 1995.18 - BÄÜ XÁY DỈÛNG Tiãu chøn Viãût Nam 5575 - 1991.19 - BÄÜ XÁY DỈÛNG Âënh mỉïc 726 .Caùc õỷc trổng hỗnh hoỹc :). (27 ,24 4, 124 3,7 328 6). (27 ,24 3 ,29 .24 .4,1 .2 12 2,57.1).(09,54, 124 6, 322 5).(6, 322 5 12 24.4,1 .2 1 2 311431cmrcmJcmrcmJyyxxNhaùnh...