原帖由 stupid818 於 2008-4-17 11:42 PM 發表 tvb now,tvbnow,bttvb1 G8 k9 y& o2 _6 W, x% g
first, compare 6 and another 6. they must have difference. , y8 d" N: c4 J. K" f9 v
second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇; }6 B, |! y& M4 @
third time, if u put 2 and they are equal, u will kno ... 1 U, m' v5 w. @tvb now,tvbnow,bttvb5.39.217.778 f2 G0 \4 p3 y" g4 f
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |