this is too easy!!
3 u% i1 o" H, ^ C
' u3 q% |' w8 s: S0 b$ o5.39.217.771. put 6 at each side.. take the one side which is heavier
0 u+ K1 ~: _+ D' U7 E, q2. put 3 at each side.. also take the heavier side
' N, v: m% V' n$ E0 p3. 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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