this is too easy!!
/ k* j( K y' m9 |& m7 |公仔箱論壇) B0 E+ P1 `4 N
1. put 6 at each side.. take the one side which is heavier
P& s0 z. b/ ]$ U1 S$ G$ s7 x2. put 3 at each side.. also take the heavier side
# N9 J6 G0 u* W( K9 C4 jTVBNOW 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。3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
| 
