this is too easy!!tvb now,tvbnow,bttvb4 M5 Q% u5 F0 t/ d: {
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1. put 6 at each side.. take the one side which is heavier
. X; M0 ^, k i" X2. put 3 at each side.. also take the heavier side公仔箱論壇8 Q2 p; L& _ E1 J/ F5 \0 _
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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