lux1261

答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1

lesley

^:)^ >:D<

leekh

thx

jc49

let cc

Special_Forces

not possible

sm911118

不知道要怎麼做阿??

laou

hao

jen198053

there got more simple way to do it, just read my way, the one i answered before

samkk123

the

hakis

see 了

jenfien

第一次,一边5个称,若质量没有异常就只称剩下的2个就知道异常的那个了;若有异常就把异常的那5个用一边2个称第二次,若没有异常就是剩下的那个异常了,若有异常就把异常的那2个再2一边1个称第三次就知道了

fxenon

how?

nyb

先分3个一堆
$ A9 b/ U3 Y3 z2 Rtvb now,tvbnow,bttvb共四堆, j* R0 q! g( J4 h. B7 V& Y* x
称两次得出异常的在那一堆，其轻重
  S* ~4 L: P+ D* [# z  i7 E5.39.217.77:8898在异常的那一堆中在称一次  a, ^/ g: n2 Y# O3 r7 X' P0 o
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
( ]5 v7 T  P$ V1 ?0 R8 kweight any 2 sets.公仔箱論壇! i2 y9 T* S: F! G% ^" a
if the 2 sets are equal, then you know the heavy one is in the third
" b1 F1 h' c2 m6 }5.39.217.77:8898if one of the 2 is heavier, then the heavy one is in that set
. t) d& K4 `5 |7 Z+ Z. f6 n/ `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。then divide the 4 balls into 2.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。, @' @* ^- F5 Y% W( g. p! Z
weigh them6 B& `2 g: x% c8 M! Y
and divide the heavier into 1TVBNOW 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。" k, w. d: a1 c7 M3 f
and weight them.
4 Q8 p. h; W' X: Y" m2 T9 Ztvb now,tvbnow,bttvb3 x weighing and get the ans.  
$ d% j" i) f' i  [2 L; yin less than 15 secs.

kino_kino

1. 6 aside and weight.  `- s7 L4 X. H2 f: M7 W$ b
2. heavier side from (1), 3 aside weight again.5.39.217.77:8898$ K$ _, J: V: d3 i9 R3 g  x! |
3. heavier side from (2), take 2 out of 3 to weight. If equal weight the one not on the scale is the heavier one. else the heavier one on the scale is the odd one. 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。6 D9 B6 r1 R( y9 O2 ?

- K- L) s# _" _; ?; UTVBNOW 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。but i have a question. 重量異常 can be heavier or lighter.... so......