this is too easy!!
" H2 W* U+ K: J# [os.tvboxnow.com
& Y9 H6 L0 j7 b9 t" i1. put 6 at each side.. take the one side which is heavier
3 g1 L |# S' |2. put 3 at each side.. also take the heavier side
9 r: ~6 E* @: ^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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