take out 10 balls and 5 in each side公仔箱論壇0 j6 W9 ]- `9 I7 X( \
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.
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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,bttvb. R. a' K& _' g8 k2 u8 ^# [
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.5.39.217.77:88988 i7 |4 x% q) U9 {/ m1 ]2 s
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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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