this is too easy!!
1 n Y& d' k: u( n5.39.217.77:8898
5 E9 H8 {' p4 j3 a7 b* Z' P# o1. put 6 at each side.. take the one side which is heavier7 x2 w6 f8 s! ?8 N5 L
2. put 3 at each side.. also take the heavier side$ y- G% f& \- G, i6 i9 p- v
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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