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原帖由 stupid818 於 2008-4-17 11:42 PM 發表 9 |. @0 \( H+ P  l) c3 x7 [- [
first, compare 6 and another 6. they must have difference.
5 a; ]4 z4 Q7 U% C6 Lsecond, divide those 6 heavier one into two, each has 3. u will find difference again.5 N. z" ?$ m+ X  R; w& q
third time, if u put 2 and they are equal, u will kno ...
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; v* h$ z) I, c2 c' v$ d; _but the question has not defined whether the abnormal ball is heavier or ligher than normal ones ....
終於想通了 , 但跟樓主答案不一樣的方法
! X4 T  B$ x$ m$ s6 F3 z# R' A0 r公仔箱論壇
) t7 k9 ?% Y& z% B6 R  Utvb now,tvbnow,bttvb用了... 大約兩三小時$ h7 V7 I/ D# X# T, M- e0 L6 a

  y! N* [; Z2 F0 x4 |+ C+ n# r[ 本帖最後由 kfflee 於 2008-4-21 02:15 PM 編輯 ]
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