原帖由 stupid818 於 2008-4-17 11:42 PM 發表 www2.tvboxnow.com6 n/ V) m9 w" |/ ?0 A2 B
first, compare 6 and another 6. they must have difference.
2 z6 B/ R9 |( D9 hwww2.tvboxnow.comsecond, divide those 6 heavier one into two, each has 3. u will find difference again.www2.tvboxnow.com0 s3 [$ E' U/ C
third time, if u put 2 and they are equal, u will kno ... % L U( h6 W$ W3 P7 @0 d7 Q( N公仔箱論壇www2.tvboxnow.com ~. |! N, g: d; M/ f5 J1 E% _
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |