原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
5 A. h' }' l- S. _ E/ ifirst, compare 6 and another 6. they must have difference.
- t# F5 x* B1 h0 C( _; Itvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.www3.tvboxnow.com0 B8 {% _* O8 r
third time, if u put 2 and they are equal, u will kno ... 公仔箱論壇! ?; f4 K; u' q/ l" D* X0 L
! E- ^: ~8 d- c$ R: kbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |