狗来的答案。说是个Incredibly Hard Geometry Question
AC = √(AB2 + BC2) = √(182/5 + 242/5) = √(180) = 6√5 ≈ 13.416
• 我都不知道答案 -嘚瑟一下- ♂ (0 bytes) () 04/03/2024 postreply 19:21:38