楼主: poe
|
代数拓扑学在绳子谜题、魔术和巧环中的应用(2012年马丁·加德纳聚会报告) |
|
| |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
| |
|
| |
GMT+8, 2024-11-24 22:20
Powered by Discuz! X2
© 2001-2011 Comsenz Inc.