ToKis_Aki_KuRuMi @ 2025-01-11 11:29:34
在△ABC中，点D、E、F分别在BA、CA、AB上，满足∠BAD=∠C，AE=AD，BF=BD，M为EF的中点，求证：AM⊥BM
by 2024YCNOI @ 2025-01-11 11:32:20
有图仿佛钛金双眼，无图犹如盲人摸象
by rainbow_cat @ 2025-01-11 11:32:26
给个图
by RwenProgramming @ 2025-01-11 11:33:11
@ToKis_Aki_KuRuMiD在AB上，∠BAD怎么等的∠C?
by 2024YCNOI @ 2025-01-11 11:34:31
@RwenProgramming
出题人说的你不信也得信
by secret_document @ 2025-01-11 11:37:42
@ToKis_Aki_KuRuMi 一眼初二
by little_pigeon @ 2025-01-11 11:44:33
求给图
by ToKis_Aki_KuRuMi @ 2025-01-11 11:54:46
@ToKis_Aki_KuRuMi 会做了，此帖结