数学竞赛: Ceva 定理的三个证明

Three proofs represent three different problem-solving techniques.
I will post the third proof shortly.

所有跟帖： 

• Third Proof -dr_yin- ♂ (79 bytes) () 03/14/2014 postreply 10:59:54

• 妙！可能算不上“实用”，可是很有意思，学物理的一定会喜欢 -drp- ♂ (0 bytes) () 03/14/2014 postreply 20:43:45

• 多谢奉献! -flagsix- ♂ (0 bytes) () 03/14/2014 postreply 11:16:58

• Ceva定理用民科的分角定理证明很直接 -怪哉- ♂ (0 bytes) () 03/16/2014 postreply 06:28:37