原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
0 D d( i4 [7 z+ C$ Sfirst, compare 6 and another 6. they must have difference.
7 G3 N% J/ N2 x. g# z公仔箱論壇second, divide those 6 heavier one into two, each has 3. u will find difference again.
, Z, V, x }/ s: I0 C( d0 V( J$ w( T3 D公仔箱論壇third time, if u put 2 and they are equal, u will kno ... 8 a" T, O* N4 p% E. v5 x3 htvb now,tvbnow,bttvb公仔箱論壇( G S1 N! d! y4 l! g" v7 u3 u
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |