先每邊6個,抽出重的一邊, , \- A3 k B' S2 Y" u( m a5 \2 S然後每邊3個,如重量不一,便可肯定那個重量異常的球比其他球重,再抽出重的一邊, ; p) K' |8 f' R1 v7 atvb now,tvbnow,bttvb最後每邊1個,重的便是答案;但若一樣便是另一個球5.39.217.76. y: i* \3 H- u
但如每邊3個得出的重量是相同,便可肯定那個重量異常的球比其他球輕,6 G$ A( D; d: _. @" S B
我只能想到這裡.....
The problem with some of the answer replied was that the question did not specify whether the odd one is heavier or lighter and a lot of the reply can not be validate as assumptions are made without being tested.
The problem with some of the answer replied was that the question did not specify whether the odd one is heavier or lighter and a lot of the reply can not be validate as assumptions are made without being tested.
原帖由 我系大P 於 2006-11-25 10:42 AM 發表。 5.39.217.76* d# V# ^8 r: O. N, R
太······容易了,第一次做就用左1分钟左右 ' A3 g' u& A# }( g, I公仔箱論壇 $ q8 b3 t% U! p, O& n: Ttvb now,tvbnow,bttvb第一次称,两边6个,甘样肯定有一边会重D。跟住重D果6个分开两份每份3个称第二次。又系肯定有一边重D。剩低3个。抽其中两个称,如果重量相等,则没有被选中嘅球系最重的。如果 ...
( l9 n- R$ O& htvb now,tvbnow,bttvb5.39.217.76) n& [# e2 O# I# S2 T& U2 o' S
% L1 }' G4 U; t2 C! d1 D. c7 v) s0 gtvb now,tvbnow,bttvbWell, I think you have to spend 30 minutes (or more) to read the question more carefully. : t4 r2 }( O, w+ O d9 m公仔箱論壇 ; y+ ^1 n1 ^5 J1 fThe key point you miss is "重量異常" not just heaver.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。5 ?* B7 u" B. x; p; x t+ I
This means you don't know the ball is lighter or heaver.