this is too easy!!1 C$ b$ K3 E9 g0 Z9 c
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1. put 6 at each side.. take the one side which is heaviertvb now,tvbnow,bttvb7 Z: M: b1 f B, e7 V
2. put 3 at each side.. also take the heavier side
, {9 r+ i6 h% O E' b3 D+ K3. 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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