take out 10 balls and 5 in each side0 j) o, P5 X4 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.4 h2 K" Y4 k& O; m* t
, B" v& Z5 E2 h+ v- Itvb now,tvbnow,bttvbif 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.公仔箱論壇% S2 G$ q' U' N- ?. P
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.2 H6 q# ]3 G! s3 A7 {
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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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