kfflee

原帖由 stupid818 於 2008-4-17 11:42 PM 發表
: b2 j' i2 N' W# |3 ~8 Y+ g% UTVBNOW 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。first, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb  m9 F" b% ?+ E# l( u7 u
second, divide those 6 heavier one into two, each has 3. u will find difference again.
3 b: A$ U3 t0 |2 g/ |) V* S. l. H. uthird time, if u put 2 and they are equal, u will kno ...

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5.39.217.77& j, J' T! E& V. C: _! o' N
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones ....

kfflee

終於想通了 , 但跟樓主答案不一樣的方法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。, e3 M- q) [. Z( a" Q$ s4 K  ?3 w7 g

2 O  M5 T! p  K9 ]5 L5.39.217.77用了... 大約兩三小時
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[ 本帖最後由 kfflee 於 2008-4-21 02:15 PM 編輯 ]