原帖由 stupid818 於 2008-4-17 11:42 PM 發表 4 |3 ]* u; ]6 D& R6 S _5 P
first, compare 6 and another 6. they must have difference.
! \3 {; D9 K) rtvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.
! N4 s: S/ |% @tvb now,tvbnow,bttvbthird time, if u put 2 and they are equal, u will kno ... # _) n" c/ A0 G( O, s5 [
5 U& h7 a7 N, ]# B( @2 p3 i& oos.tvboxnow.combut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |