this is too easy!!
- f* d% Z& |2 q% f" Otvb now,tvbnow,bttvbwww2.tvboxnow.com( X) V- b; J) M
1. put 6 at each side.. take the one side which is heavier
7 e* M% n- O" n% N6 E3 J. f公仔箱論壇2. put 3 at each side.. also take the heavier side
! p! Q" h S& [- i0 F$ @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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