take out 10 balls and 5 in each side
( b( D( @3 G* _- T) otvb now,tvbnow,bttvbif 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.
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6 d) p5 }# E2 q/ g2 _2 b& d4 v7 k5.39.217.77:8898if 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.5.39.217.77:88983 F9 B9 A& ?: w, Q' y' c" d2 X6 d& D
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./ j# [) p! K3 C3 ]/ V; C& T
5.39.217.77:88988 {: s$ T( j$ O4 I+ X( s
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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