this is too easy!!tvb now,tvbnow,bttvb! {" n- E8 j: i% E
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1. put 6 at each side.. take the one side which is heavier
. J7 O' n: c* |" `3 T7 i) T9 Ttvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb: x6 e! E( ~% R1 b: |
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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