原帖由 stupid818 於 2008-4-17 11:42 PM 發表 6 N! F# W2 ]/ A6 n' W# V8 j, N
first, compare 6 and another 6. they must have difference.
5 S+ z0 }, N2 g T) l R5.39.217.77:8898second, divide those 6 heavier one into two, each has 3. u will find difference again.% m" K7 S* ?0 v$ w
third time, if u put 2 and they are equal, u will kno ... 5.39.217.77:8898% g2 N) Q( B9 Y* }9 d2 V
/ E2 `- k1 _ X& V0 t% R+ h" Nbut the question has not defined whether the abnormal ball is heavier or ligher than normal ones .... |