take out 10 balls and 5 in each side
# D0 m& o# {) C; W: ]. B1 p公仔箱論壇if 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.www3.tvboxnow.com* p/ H5 g5 e1 [; `! S9 `3 x
: B' R! r; T6 j5 ~3 Xtvb now,tvbnow,bttvbif 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.tvb now,tvbnow,bttvb5 K# F; s h$ Y) ? [$ U! b
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.
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) G% K- s7 T0 f7 J; Lused 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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