take out 10 balls and 5 in each side
1 X+ a- U9 ^! i$ Y% _ x* j$ X5.39.217.77:8898if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.! w# }1 N3 m" b3 `) }$ n, w% j! T, E
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if the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.
" N0 g1 a+ z1 N. L$ \公仔箱論壇if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
; M+ }0 P3 T* U0 c1 O' ^5.39.217.77:8898公仔箱論壇, l/ O5 M8 J, E" u# g {8 D) ^7 @, X
used less then 1 min to find out the answer.... |
發表於 2007-12-31 05:47 AM
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發表於 2008-1-1 08:48 AM
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