this is too easy!!tvb now,tvbnow,bttvb: O7 M# Y; Z6 z6 d! s9 E
6 |( a3 a, e& ~% [$ ? U9 j7 ?+ a5 k/ f1. put 6 at each side.. take the one side which is heavier公仔箱論壇; v5 g! ]8 Q2 Z2 M8 n$ S" ?
2. put 3 at each side.. also take the heavier side公仔箱論壇; _$ ]6 e$ i" U3 _! K
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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