原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
. F( a, E+ @6 c: G. ^8 P# r% _first, compare 6 and another 6. they must have difference. 公仔箱論壇& }0 l% m0 U0 }4 k) h5 K
second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇 f) u2 ~: w9 g6 J3 U. p
third time, if u put 2 and they are equal, u will kno ... 5.39.217.77:8898! V1 h2 f+ m c" ^- f
h, m8 }& l6 k# Q- Atvb now,tvbnow,bttvbbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |