原帖由 stupid818 於 2008-4-17 11:42 PM 發表 , A0 x V! p' t" m+ h& f
first, compare 6 and another 6. they must have difference. ( @) j) w# h+ _4 U1 E6 t' ]
second, divide those 6 heavier one into two, each has 3. u will find difference again.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。; W) u! A& j7 o/ o4 Y, u
third time, if u put 2 and they are equal, u will kno ... ' k5 q+ R n8 |, R. y% Y
8 g* ]; n8 m- g* v, R6 @5 f% oos.tvboxnow.combut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |