this is too easy!!
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1. put 6 at each side.. take the one side which is heavier6 |# N4 D, K0 w) R# w4 G- O# B! S
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb- E% t" |" W8 h$ c2 [% S
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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