this is too easy!!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。, V9 m# s4 e4 S, c; n$ ?+ Y/ l
$ j/ }% C. c2 A- A" f) E D1. put 6 at each side.. take the one side which is heavier公仔箱論壇# F/ }' G' }0 H7 y- `* h
2. put 3 at each side.. also take the heavier side- g3 y9 T' R5 X1 j4 k
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
| 
