原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
- S3 o. R O3 M, E0 |" A' ^first, compare 6 and another 6. they must have difference. 公仔箱論壇7 v; `( c! p1 _3 |1 b
second, divide those 6 heavier one into two, each has 3. u will find difference again.
6 U) m h! {+ J$ kthird time, if u put 2 and they are equal, u will kno ... tvboxnow.com# u7 { L+ q! T0 F
公仔箱論壇 u0 d/ ~* D( {% z5 N# K1 d6 V0 s; u
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |