this is too easy!!+ e; w0 l$ x8 g3 r) j
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1. put 6 at each side.. take the one side which is heaviertvb now,tvbnow,bttvb) V- }. J1 Q# Y; K* ^, [
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb; v6 q! K! t, K6 K9 K
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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