原帖由 stupid818 於 2008-4-17 11:42 PM 發表 3 s/ b: z- A% ?0 O* [3 z- b
first, compare 6 and another 6. they must have difference.
7 i6 o; E+ x8 MTVBNOW 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.tvb now,tvbnow,bttvb \, u* X& O$ h' P0 v. [$ T
third time, if u put 2 and they are equal, u will kno ... * O- A( D9 R8 ^2 j5.39.217.768 I4 _: a! x5 g; I8 b
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |