原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
4 n' S5 A! M! E6 a3 i* V$ P. ctvb now,tvbnow,bttvbfirst, compare 6 and another 6. they must have difference. 9 c9 R1 O7 t& D9 c4 G/ F# t5 e) h" D$ K
second, divide those 6 heavier one into two, each has 3. u will find difference again.
" M6 m, O8 v6 l3 Athird time, if u put 2 and they are equal, u will kno ... : ]* T+ q8 g l: F# `- ~& sTVBNOW 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。7 I8 l( {8 `4 V- ~) N
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |