High School (8) |
8143 |
△ABC各边长是 4,5,6。如何作一个内接正三角形? 何时正三角形边长最短?何时最长? 2025-5-22 14:02 hejoseph
|
|
Pure Mathematics (3) |
1035 |
三次代数整数与行列式 2025-5-22 07:54 青青子衿
|
|
Mobile version|Untroubled Math Forum
2025-5-22 14:14 GMT+8
Powered by Discuz!