kfflee

原帖由 stupid818 於 2008-4-17 11:42 PM 發表 * A' @' X% B1 ]
first, compare 6 and another 6. they must have difference.
0 J" C$ n, ~; S0 F' csecond, divide those 6 heavier one into two, each has 3. u will find difference again.
% l: I5 M3 E5 ?: Stvboxnow.comthird time, if u put 2 and they are equal, u will kno ...

9 L" n* I5 a. N! q  R1 j7 s7 M/ C1 ~tvb now,tvbnow,bttvb
7 d! A- b: c; z1 _, [tvb now,tvbnow,bttvbbut 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
- J' D# ~, U& q' Mtvb now,tvbnow,bttvb8 A$ H1 K: `( u8 \5 X- i. m
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 ]