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
) X: v: z5 V* f5 {. N: t: `' i* p5.39.217.76共四堆0 e: S* d2 Y$ n2 }7 D
称两次得出异常的在那一堆，其轻重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。' H# W% k* m+ s4 E: k
在异常的那一堆中在称一次公仔箱論壇, x* p9 S  Q2 r2 e+ o
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. - ~; M3 L0 O% g  c& o" _, `" \
weight any 2 sets.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。$ S# M7 {& Q' h
if the 2 sets are equal, then you know the heavy one is in the third
+ w2 ^/ R) V' {# ?" xif one of the 2 is heavier, then the heavy one is in that set
# p% S3 ?7 b0 r6 R0 Z公仔箱論壇then divide the 4 balls into 2.$ C/ I2 x  S, v
weigh them公仔箱論壇5 w' f/ v9 j; x- l) v1 z' ~* ]
and divide the heavier into 1tvb now,tvbnow,bttvb! A2 x* d/ [% v! p) z* G: y2 O
and weight them.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。7 X0 o, e$ M9 t
3 x weighing and get the ans.  
8 ^6 _8 b. j+ X: _& y- C2 Sin less than 15 secs.

kino_kino

1. 6 aside and weight.
# u  [+ Z$ Y! x$ x5 `9 c+ c( w公仔箱論壇2. heavier side from (1), 3 aside weight again.
7 p# c( ~8 w7 PTVBNOW 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。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.
5 H; g" k% q/ B- O7 Y. C$ o$ x5.39.217.76公仔箱論壇. _3 C! R3 w8 A1 R! w% S' e
but i have a question. 重量異常 can be heavier or lighter.... so......