this is too easy!!
^4 A; n6 [3 K9 Z) M' e; C0 v1 Z' ]) l% R! i- G+ k
1. put 6 at each side.. take the one side which is heavier
2 I7 P+ p2 x9 l' f- a/ Ztvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side3 @) x4 Y. v2 V3 M' z4 V, W3 D
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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