原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
( [2 |4 g4 H2 @ Wfirst, 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。" N8 i# n! k, D0 D& [. u
second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇2 ?; K1 q( g9 u8 C
third time, if u put 2 and they are equal, u will kno ... ; R) c! B$ n' }& ]5.39.217.77:8898, U! `( f O+ N' I3 c5 w
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |