原帖由 stupid818 於 2008-4-17 11:42 PM 發表 : c' A8 n. g2 U' k( |) k
first, 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。. P8 C3 w( a8 _6 Y$ Y! h$ Z
second, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb# W+ f* [5 E6 z- J1 f: l" `
third time, if u put 2 and they are equal, u will kno ... 6 t4 Y: Y. Y- A% D9 B0 N
+ N, J0 t" c4 J6 r& J. Gbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |