原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
! n& u1 [& d( p0 i. Y$ y; v2 d公仔箱論壇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。2 d8 k, a4 S! I g5 h- ^' L
second, divide those 6 heavier one into two, each has 3. u will find difference again.
# z) |3 ^& r, W5 T- s; I) q. l. XTVBNOW 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。third time, if u put 2 and they are equal, u will kno ... i5 ?, q/ x3 K( m6 X0 m; |" n公仔箱論壇
( S" W E, q/ Z1 u" fbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |