this is too easy!!3 j; g. F% n* f! h- j5 g1 A
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1. put 6 at each side.. take the one side which is heavier
9 U8 Z8 A2 L6 L- A; y/ Z2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb/ o; w& o' j8 e0 P
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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