
[中學] 數學證明題

請問各位這題要怎麼證明?
--
Sent from my Android
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 101.15.17.239
※ 文章網址: https://www.ptt.cc/bbs/Math/M.1425619361.A.398.html
→
03/06 13:58, , 1F
03/06 13:58, 1F
→
03/06 13:58, , 2F
03/06 13:58, 2F
→
03/06 18:02, , 3F
03/06 18:02, 3F
→
03/06 18:04, , 4F
03/06 18:04, 4F
討論串 (同標題文章)