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1. put 6 at each side.. take the one side which is heavier
2 b( p/ l' F! D M" A) g% n2 J2. put 3 at each side.. also take the heavier side
5 w- P! o. O. d, Q公仔箱論壇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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