kfflee

原帖由 stupid818 於 2008-4-17 11:42 PM 發表 " K& l  O! {8 _5 o
first, compare 6 and another 6. they must have difference.
" c8 }+ k3 S* A! M6 Q+ nsecond, divide those 6 heavier one into two, each has 3. u will find difference again.
+ q" g7 d; \- k公仔箱論壇third time, if u put 2 and they are equal, u will kno ...

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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
% @* }1 G$ f, o9 o公仔箱論壇公仔箱論壇. Z( M* u* i1 n- I
用了... 大約兩三小時# L; U3 @6 T: b

, d& P* V$ Z/ x. Q% l- j! H5.39.217.77:8898[ 本帖最後由 kfflee 於 2008-4-21 02:15 PM 編輯 ]