this is too easy!!( ?2 v7 i! Y* N! X5 M4 h
- _! l, x! C/ f1. put 6 at each side.. take the one side which is heavier
2 A7 E8 h# y$ X$ e6 vwww1.tvboxnow.com2. put 3 at each side.. also take the heavier side公仔箱論壇5 | w- W+ x! J: ]" i
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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