原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
- C/ Y+ \ O9 [; N) i! gfirst, compare 6 and another 6. they must have difference.
& m k, S0 d( O- i5 }+ i) n公仔箱論壇second, divide those 6 heavier one into two, each has 3. u will find difference again.公仔箱論壇4 |) F; t" P' n7 }6 Q" j: Y% K
third time, if u put 2 and they are equal, u will kno ... ' w9 x2 P& Q$ ~- S% y, o u
+ {/ x; |1 U; W' ctvb now,tvbnow,bttvbbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |