原帖由 stupid818 於 2008-4-17 11:42 PM 發表 www.tvboxnow.com; t! ]7 F: u, i5 F5 o( y3 S
first, compare 6 and another 6. they must have difference. 3 }( t' ], v" L& x
second, divide those 6 heavier one into two, each has 3. u will find difference again.
& M; V% J+ k3 u; U B# r" htvb now,tvbnow,bttvbthird time, if u put 2 and they are equal, u will kno ... # o) J, ?. z J3 Fwww.tvboxnow.com$ L& g" _; x2 D3 s5 V
but the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |