原帖由 stupid818 於 2008-4-17 11:42 PM 發表 5.39.217.76% _, v J6 p0 @
first, compare 6 and another 6. they must have difference. ! B) e( D9 Q2 _* \& X, F& X
second, divide those 6 heavier one into two, each has 3. u will find difference again.! D0 z8 q9 t3 S: V, M8 p1 H
third time, if u put 2 and they are equal, u will kno ... ; ?! }! _. @, j9 y公仔箱論壇
; t: V. m( A+ {9 w5.39.217.76but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |