this is too easy!!tvb now,tvbnow,bttvb& w/ Q" v# l0 q" j1 {* P
^2 B& u) X+ Z1. put 6 at each side.. take the one side which is heavier
: L; M, h- i5 `0 D公仔箱論壇2. put 3 at each side.. also take the heavier sidewww2.tvboxnow.com) C6 ^( H s Y! y+ |+ R; F
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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