this is too easy!!, ]* X/ k! q. O8 C* X4 B6 K; K
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1. put 6 at each side.. take the one side which is heavierwww3.tvboxnow.com6 q+ h( ?, |% B3 E1 d3 e
2. put 3 at each side.. also take the heavier side$ z O- w5 ]) Y( x; ^9 H
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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