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5.39.217.771 g' x4 [# N0 H# w5 n+ j* G( c0 p
共四堆
: @) I! @# P) ]) y: j: l; Etvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重
) R9 v8 \! I! h. Z5 Y- n在异常的那一堆中在称一次# [+ }, K' g. h' R6 o7 l
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
" G7 ^2 B" d9 u3 y; D* v8 Y/ ntvb now,tvbnow,bttvbweight any 2 sets.
% [+ ]! Q, a& _if the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇" |3 c: t/ p# L0 I9 W% Z
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb% b+ |* {2 U* B
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。' ]; u4 D& E9 U, \3 B
weigh themTVBNOW 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。/ q" L5 |: K4 F' n% @/ P
and divide the heavier into 1tvb now,tvbnow,bttvb$ \7 e- E7 f+ q5 H
and weight them.tvb now,tvbnow,bttvb: l- o9 P  [/ m  J: {! R
3 x weighing and get the ans.  
4 w0 V) X' u6 C, y. l; b( B( G' Vin less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb* D/ N5 W( M6 i. ~$ M
2. heavier side from (1), 3 aside weight again.
% v2 V+ X3 a3 V  l3. 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.
# S, s4 a9 m6 v+ {1 |tvb now,tvbnow,bttvb
, Q8 \: u! ~; w: `: |" K  H- \but i have a question. 重量異常 can be heavier or lighter.... so......