kfflee

原帖由 stupid818 於 2008-4-17 11:42 PM 發表 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。" W; D4 h. ~% |  z
first, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb3 P- P7 _: v8 T
second, divide those 6 heavier one into two, each has 3. u will find difference again.9 ~/ t5 C7 V: ^3 @- U5 o
third time, if u put 2 and they are equal, u will kno ...

" c5 P4 Y" Y3 w/ p公仔箱論壇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。7 |4 F. I. ?& h% }  @
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
5 }! b. g  [& t: @0 R3 wtvb now,tvbnow,bttvb
5 t+ F+ y4 _4 R2 ?% H: Z7 s用了... 大約兩三小時9 S: A7 a2 F+ Y9 p* E

* A: Z3 J; o# v: `% k& |tvb now,tvbnow,bttvb[ 本帖最後由 kfflee 於 2008-4-21 02:15 PM 編輯 ]