this is too easy!!
) e4 G( d' R7 n# m4 k6 ]
# O- [3 m$ v0 R$ E( V& Q. _. g1. put 6 at each side.. take the one side which is heavier5.39.217.76# u5 T% _% r- b) o0 n+ n7 \8 z9 h
2. put 3 at each side.. also take the heavier side
- E; d j$ x8 `+ ptvb now,tvbnow,bttvb3. 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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