take out 10 balls and 5 in each side
% }& ?, N/ Q+ F* b$ \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.5.39.217.763 q2 T! {1 p0 K# m5 u5 @% s
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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.. Q; Y+ V* _5 ~1 o- |1 e! e/ _
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.; n6 s# f. H7 V0 V! Z
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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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