原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
& a# m' j1 e* t/ Kfirst, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb; @& o5 h2 W2 I4 ?* z
second, divide those 6 heavier one into two, each has 3. u will find difference again.
& D, d/ r+ \% w, S0 f$ iwww3.tvboxnow.comthird time, if u put 2 and they are equal, u will kno ... 2 x) y1 l; |- n: V* i
& ?) P3 f5 r+ ]: f' i& d E# Vwww3.tvboxnow.combut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |