this is too easy!! i Z) f; e- R
公仔箱論壇8 K. x4 d% M" G0 |
1. put 6 at each side.. take the one side which is heavier
; C7 e, R' [5 ~6 `2. put 3 at each side.. also take the heavier sidewww3.tvboxnow.com& g9 N; `. D% u o: x- z# ]6 X" I) Z0 D% \
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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