能不能用手去感觉? - G# @7 y: w: B3 K' Y先是一边6个,选出重的,然后一边3个,如果不同(表示那个异常的球重),再选重的一边1 个,可得出答案;如果相同(表示那个异常的球轻),则把一开始轻的6个,再一边3个去称,找出轻的那3个球,3个不多,应该可以用手试出来公仔箱論壇2 k1 E' C" v; e N+ H# X
% h4 C: z6 O: {3 e n1 @[ 本帖最後由 Dupont 於 2006-11-27 08:09 AM 編輯 ]
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.
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Well, I think you have to spend 30 minutes (or more) to read the question more carefully. ( N0 L. j2 I; q+ mtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb! K0 |* ]: v/ R: B* x/ p& H
The key point you miss is "重量異常" not just heaver." f4 ]: M( b2 {" ?3 P. K; X( g
This means you don't know the ball is lighter or heaver.