take out 10 balls and 5 in each side
, w8 U5 A# Y. i j$ Y, M( N4 W5.39.217.77:8898if 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.公仔箱論壇0 U5 ^6 Z' g8 E3 B u8 I0 y
) d, n- u$ l- A2 g3 E+ n+ W2 f( N) ^5.39.217.77:8898if 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.5 v6 A8 o$ r# i" {' u
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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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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