原帖由 stupid818 於 2008-4-17 11:42 PM 發表 5.39.217.77# W1 ]/ d) z7 n1 d
first, compare 6 and another 6. they must have difference.
% T8 X* Y: u! D8 O' k. R2 \公仔箱論壇second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇9 i4 f6 ^; M! i, q' q
third time, if u put 2 and they are equal, u will kno ... : X# o% M. e* Y, W' c. |( z. K7 j
( U' H u5 w4 f9 d公仔箱論壇but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |