this is too easy!!
) U3 C$ z- r/ y) a! d
/ W& K3 n2 P2 n6 |8 e$ y) U/ L公仔箱論壇1. put 6 at each side.. take the one side which is heavier! F4 ~; Z+ y0 A8 \6 ]: b4 [
2. put 3 at each side.. also take the heavier side公仔箱論壇2 S+ I* y' E6 @+ Y
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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