原帖由 stupid818 於 2008-4-17 11:42 PM 發表 
5 J" R/ }$ M/ H7 \www3.tvboxnow.comfirst, compare 6 and another 6. they must have difference.
& L; t* N4 }' s. t1 dsecond, divide those 6 heavier one into two, each has 3. u will find difference again.
2 H6 o( L- L" A% k, w8 |5 a% s6 Mtvb now,tvbnow,bttvbthird time, if u put 2 and they are equal, u will kno ... , Z1 R- J: n4 b, T- @, W2 A, x
9 b/ l0 t& U+ Y% l( i/ t
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |