take out 10 balls and 5 in each side公仔箱論壇2 q6 Q9 E6 G0 k/ 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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( s8 `7 ^# x* K: r0 y( v# H; `9 g2 Z公仔箱論壇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.$ H" t) ~1 W' c' V1 `1 p) d! J, I
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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