take out 10 balls and 5 in each side
4 p }2 ^( S$ g0 @! fif 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.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 P) Y$ k9 h+ K1 s. k4 q3 M) Y. H
# i4 H% F; f" A5 [6 ?! Zos.tvboxnow.comif 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.( @ W' J; W5 b' C. a0 C8 x) j+ |
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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