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1. put 6 at each side.. take the one side which is heavier
! Y: ~7 K2 l. a) j C" ?+ C; c公仔箱論壇2. put 3 at each side.. also take the heavier side公仔箱論壇( }1 j, U7 \6 i+ M
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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