原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
3 w9 a5 d6 w7 u+ ~9 f# C! p; lfirst, compare 6 and another 6. they must have difference.
4 U% l* T" I( w6 f2 X% Q8 Esecond, 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。0 t1 b. \! V, `$ n c8 Z
third time, if u put 2 and they are equal, u will kno ... # @( n) V2 b; H6 q9 \1 ^
% _9 X- U, h i5 l! `# q$ STVBNOW 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。but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |