原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
: F. [1 L. @) ], Sfirst, compare 6 and another 6. they must have difference.
+ b: ]# ?6 ~* W/ E" W' l/ C' Ntvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.www3.tvboxnow.com4 {* f5 u1 v, v) P8 }: C: I4 r
third time, if u put 2 and they are equal, u will kno ... 6 c" j1 `. E# |
3 O, ]& m. i4 u t* e
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |