this is too easy!!
) L' p4 {, p$ M+ H C
( R7 [5 X `8 V, O3 P7 i公仔箱論壇1. put 6 at each side.. take the one side which is heavier' }8 g; P: S. S) s
2. put 3 at each side.. also take the heavier side公仔箱論壇9 [/ y3 W. e& p3 I
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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