三 13
A Better Butterfly Theorem
教研|〖数理探究〗 qiusir 2006
It is tianguang zhang,a child of 11 years old,who has discovered it!
·真正的蝴蝶定理的再次推广
·数学蝴蝶图谱V2004
·蝶变和蝴蝶的克隆
On this day..
- Google Blogsearch - 2010
- Phun,2D physics sandbox - 2008
- 做教师最为无助的时候 - 2004
5月 27th, 2013 at 14:03
http://www.cut-the-knot.org/ctk/Lepidoptera.shtml