Divide 3 groups first.; D, H! }$ ^& ~# |8 B$ ~
i.e. 4 x 4 x 4.
2 K% T/ I9 b' B x; Y1 h. ?) R L公仔箱論壇Weight any 2 groups [1st]TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ n( g& `- j+ R7 y: u* t
then you will know the heavier ball in which group.tvb now,tvbnow,bttvb) @" R8 v$ B9 ?5 d
Weight any 2 balls in that group [2nd]tvb now,tvbnow,bttvb! _* {* T9 u8 `6 S+ r& H
then you will know the heavier ball in which 2 balls.
4 {, @9 B3 p# @% z" SRepeat again in remainders [3rd]TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。, b" t8 c9 ]6 Q N$ U
Got the heavier ball. |
發表於 2009-7-2 12:48 PM
| 
