原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
$ f( @0 D$ m9 T7 ~8 Y" Htvb now,tvbnow,bttvbfirst, compare 6 and another 6. they must have difference. ! o- L# g4 T3 |! S" Y! b$ o$ ^2 |
second, divide those 6 heavier one into two, each has 3. u will find difference again.tvboxnow.com, [, `$ L- k& ]6 t1 E
third time, if u put 2 and they are equal, u will kno ... tvb now,tvbnow,bttvb9 Y( ~; s( _+ x- l* x
tvb now,tvbnow,bttvb1 Q) j7 y" y; r6 K( q( D( K
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |