原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
) G9 @ t4 r ^- U+ l公仔箱論壇first, compare 6 and another 6. they must have difference. # w+ r. |0 |9 V* U( Z) H
second, divide those 6 heavier one into two, each has 3. u will find difference again.
% K. B. p" @' [& l' stvb now,tvbnow,bttvbthird time, if u put 2 and they are equal, u will kno ... 9 d7 Y: G/ F1 w, Mtvb now,tvbnow,bttvb: b- I3 k2 ? `: t6 s% q% I
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |