原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
8 G0 h" E- h/ o# ]- j& \first, compare 6 and another 6. they must have difference.
# w$ ]# V& ]% ~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。second, divide those 6 heavier one into two, each has 3. u will find difference again.! t5 E# i# R% g q) b! {( y( A) t
third time, if u put 2 and they are equal, u will kno ... 5 X0 z% n5 j8 D0 b! pTVBNOW 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。
: f1 F, }) g# Jtvb now,tvbnow,bttvbbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |