kfflee

原帖由 stupid818 於 2008-4-17 11:42 PM 發表
- d  e6 d1 `  n  Y, i5.39.217.76first, compare 6 and another 6. they must have difference.
3 z) [9 o4 I: r% e( j# y" Csecond, divide those 6 heavier one into two, each has 3. u will find difference again.. ]' P/ I# _& e' X' ?
third time, if u put 2 and they are equal, u will kno ...

# L! Q$ h0 T3 e; j, X( y7 o( u公仔箱論壇公仔箱論壇. D4 n/ X, d' F; {: C
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
! N5 m8 y3 X# c4 D1 a5.39.217.76/ w* ]: X  R$ Z/ m2 Q8 o% X7 p
用了... 大約兩三小時
- ^! [: W4 I, A4 t) Y( {9 F5.39.217.76
& Q" h( n6 L9 P" atvb now,tvbnow,bttvb[ 本帖最後由 kfflee 於 2008-4-21 02:15 PM 編輯 ]