take out 10 balls and 5 in each side
; `6 i) Q0 q. X2 g/ G公仔箱論壇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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8 U. \1 Y7 [! f/ V) Uif 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; W& R4 A+ S4 Q
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.
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2 [! F b2 Z! ~& Bused 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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