this is too easy!!
9 ^- L$ V" F, l: sTVBNOW 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。
5 w# K& A) P$ ]1 \: J) D+ d1. put 6 at each side.. take the one side which is heavier
# V a% a8 M& g/ E2 _; C5 `5.39.217.762. put 3 at each side.. also take the heavier sideTVBNOW 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。0 n0 k8 F" r1 k8 _
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
| 
