take out 10 balls and 5 in each side
. L. b% _. B6 p' O3 D4 G& k: j) rif 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.5.39.217.76* i+ _8 k" l" X5 G8 u0 E' o
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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.tvb now,tvbnow,bttvb2 C7 p+ M3 z, F$ ^' R' c
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.tvb now,tvbnow,bttvb/ F4 b% K7 C. n6 c5 T
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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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