原帖由 stupid818 於 2008-4-17 11:42 PM 發表   
8 t) O8 S! H9 P8 D0 L9 cfirst, compare 6 and another 6. they must have difference. www2.tvboxnow.com. q& s7 I# g' X1 R( c- k; T 
second, divide those 6 heavier one into two, each has 3. u will find difference again. 
4 j; `- ^. W$ S5 t% i) _% F# Zthird time, if u put 2 and they are equal, u will kno ...   3 l( A& S) h; Z, G4 j& n 
8 ~4 T2 Q4 e" E2 `tvb now,tvbnow,bttvbbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |