this is too easy!!
( o# ^9 e( u) W1 l* y公仔箱論壇3 n2 x* g; P& q! U$ E
1. put 6 at each side.. take the one side which is heavier
$ ~! G8 S- R* M; g( k2 R1 M公仔箱論壇2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb2 Z& ?) q9 _* n( M( e
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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