 |
| ||||
Home Page
F.A.Qs
Statistical Charts
Past Contests
Scheduled Contests
Award Contest
| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
这个题目的第2幅图有个小小的误导那条“水平的线”其实不应该画出来（这条线不能作为正5边形的对称轴,因为n为奇数的正n边形的任一条对称轴必定过且只过一个顶点） 另外一个可能忽略的定理：正n边形的对称轴有n条对称轴 Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator
