原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
7 U( U, b! @7 H: P) F/ H# o& @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。first, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb: i9 o Y+ B/ r. b. d1 N
second, divide those 6 heavier one into two, each has 3. u will find difference again.; Z, F: s5 z: T" C$ g
third time, if u put 2 and they are equal, u will kno ... 9 I$ j. X& z9 o |os.tvboxnow.com
! @. ^* X& ^" [3 \1 D' Sbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |