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" `' C; s' R; m7 U/ |
共四堆tvb now,tvbnow,bttvb; L. c" n4 P' ?5 W1 A- G" \
称两次得出异常的在那一堆，其轻重6 }) o4 P. I7 a2 o5 Q) K
在异常的那一堆中在称一次5.39.217.77:8898# F/ J7 V5 {( V% S* T) d  r5 a
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb1 n" L- R  f: y  K# E
weight any 2 sets.tvb now,tvbnow,bttvb( C9 q( u% D- p
if the 2 sets are equal, then you know the heavy one is in the third
! ]' `- g, m3 j' q& y2 p5.39.217.77:8898if one of the 2 is heavier, then the heavy one is in that set1 ]* F3 f8 S3 Z4 b" B; g" ~+ _- l: M
then divide the 4 balls into 2.+ d: W9 ^7 D% w! k0 S
weigh them
8 h- y/ f+ x. [" Z7 p/ e. x- h3 p5.39.217.77:8898and 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。7 H0 }9 E5 r1 ?& B5 y! r; M8 B& }5 `
and weight them.
0 w% I% r  O3 C/ k1 v" `* d公仔箱論壇3 x weighing and get the ans.  # x% C# |, C, r5 m/ u6 u
in less than 15 secs.

kino_kino

1. 6 aside and weight.
% x: |0 |" ?: Y$ A- k8 F2. heavier side from (1), 3 aside weight again.
7 ~) J9 N5 x* W8 T7 g3. 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. 公仔箱論壇6 G5 D. o6 s: k3 b6 U5 d

. h, A5 W" p, Ubut i have a question. 重量異常 can be heavier or lighter.... so......