this is too easy!!
# g& o% i. L l$ f/ C0 lTVBNOW 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。tvb now,tvbnow,bttvb" N' G2 o3 |+ k" o, ]+ g! r+ B
1. put 6 at each side.. take the one side which is heavier
+ |3 j0 `+ E% [$ \. v x$ Y qtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side6 r! |- S6 {1 I! x' z
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
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