S(APN)=S(BPM)=S(CMN),
CMR http://dientuvietnam.net/cgi-bin/mimetex.cgi?\Delta APN = http://dientuvietnam.net/cgi-bin/mimetex.cgi?\Delta BPM = http://dientuvietnam.net/cgi-bin/mimetex.cgi?\Delta CMN
Bài viết đã được chỉnh sửa nội dung bởi T3_khtn: 08-06-2006 - 17:46