take out 10 balls and 5 in each side
! q- i7 U6 w* o: L$ Z; q, Xif 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.
+ C: Q1 }! n. ~7 ]6 e' vif 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.
. h. T6 C6 l8 U# vtvboxnow.com
9 a' N2 B5 R. F4 Rused 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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