原帖由 stupid818 於 2008-4-17 11:42 PM 發表 tvb now,tvbnow,bttvb5 y6 e, Z9 `" P [9 D$ E! y8 {; U5 d
first, compare 6 and another 6. they must have difference. ) o' F& s/ i+ o" h
second, divide those 6 heavier one into two, each has 3. u will find difference again.
% V+ B- E# E& P9 R; b: w% f! Ithird time, if u put 2 and they are equal, u will kno ... " n8 G8 ^2 X- c% Z
6 v2 b+ y9 w f6 d! v1 P5.39.217.76but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |