能不能用手去感觉?; q) f/ C1 Q) Z2 M x
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 6 c) u5 U. C3 E/ y9 d' A( T6 _公仔箱論壇tvb now,tvbnow,bttvb: U, w5 b: E, ^3 C) a
[ 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.
原帖由 我系大P 於 2006-11-25 10:42 AM 發表。 - l$ _+ B# ^7 D4 i& Vtvb now,tvbnow,bttvb太······容易了，第一次做就用左1分钟左右公仔箱論壇$ }3 F; {$ B3 `. E- J0 K/ Y+ M4 S9 k' Y0 }
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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 ...
) c) a' L2 i5 Ttvb now,tvbnow,bttvb 2 D! `' G9 c! h9 `9 I v& ~* c# |( Y公仔箱論壇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。/ z6 T- o$ s8 e" G
Well, I think you have to spend 30 minutes (or more) to read the question more carefully.tvb now,tvbnow,bttvb1 F0 l( X `, J( O8 k3 J& g
# A* X2 j- B a5 d) u, BThe key point you miss is "重量異常" not just heaver. 7 C, U7 w6 H8 K# q ]; I. rThis means you don't know the ball is lighter or heaver.
發表於 2006-11-26 09:51 PM
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