Áp dụng: tghttp://dientuvietnam.net/cgi-bin/mimetex.cgi?\dfrac{A}{2}=http://dientuvietnam.net/cgi-bin/mimetex.cgi?\dfrac{r}{p-a}
r=http://dientuvietnam.net/cgi-bin/mimetex.cgi?\dfrac{S}{p}
Công thức Hêrong
18-12-2005 - 21:13
12-10-2005 - 21:08
12-10-2005 - 21:01
09-10-2005 - 21:01
13-09-2005 - 21:42
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