take out 10 balls and 5 in each side9 w9 l% _% @. M8 A
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.tvb now,tvbnow,bttvb3 E1 y1 q3 @! x7 S3 M3 h/ h
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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.
2 t- Y) e q4 i/ |4 d9 qif 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.3 q/ c6 e6 j: d' R+ G3 C6 u
- T. T; _, \- @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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