原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
, l8 J5 A7 [2 D$ }' Bfirst, compare 6 and another 6. they must have difference. 9 o# c- [. D1 p# s6 D, f9 V \9 \
second, divide those 6 heavier one into two, each has 3. u will find difference again.
5 j1 a5 V1 M& t4 g6 o1 e; y7 `TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。third time, if u put 2 and they are equal, u will kno ... $ r% M/ r2 b1 u7 t4 d* K: v2 i/ mtvb now,tvbnow,bttvb公仔箱論壇% L" v+ r5 r. A2 ]7 C
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |