原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
A! i8 B, r) Xfirst, compare 6 and another 6. they must have difference. 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。$ T! [, |* F' M, `7 o
second, divide those 6 heavier one into two, each has 3. u will find difference again.: j. S9 G. ] t2 A" R
third time, if u put 2 and they are equal, u will kno ... 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。+ i4 u5 S8 i; q, ^
, d+ Z* H7 q; x3 D* c# j# d' [) R5 F" _tvb now,tvbnow,bttvbbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |