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
! d" ]( `3 Z4 N  G! K# d" [5 W共四堆
  J# o/ B; \& K5 ?& X# P* i公仔箱論壇称两次得出异常的在那一堆，其轻重5.39.217.76. f5 b4 i7 N% D
在异常的那一堆中在称一次
7 s% U- V& w: L) [2 |' V* Ltvb now,tvbnow,bttvb就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 5.39.217.766 W4 e/ u, M  Q/ b4 C
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。" V$ t" d4 S/ K0 k, j3 b3 G- x
if the 2 sets are equal, then you know the heavy one is in the third
  \+ \' N# \& {3 [公仔箱論壇if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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 c( j  t1 w( W! z  u9 u$ V9 r
then divide the 4 balls into 2.tvb now,tvbnow,bttvb* _5 b4 R+ K+ T! s1 G
weigh them公仔箱論壇, S" y! u: w" x8 X
and divide the heavier into 15.39.217.76: ~0 q  X9 n. Z9 S; i) ~
and weight them.
( d  |* T2 C( s; g$ _5.39.217.763 x weighing and get the ans.  5.39.217.76  Q8 U# Y/ f; ]0 P
in less than 15 secs.

kino_kino

1. 6 aside and weight.
1 a" t7 e6 Y7 C# }2. heavier side from (1), 3 aside weight again.公仔箱論壇. z% f- v: n: a- f* o+ X; K) o. ~
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. . J+ u0 ?9 ^6 T* j7 p. K" U/ h
5.39.217.76. g( v- b. L4 i# `9 `
but i have a question. 重量異常 can be heavier or lighter.... so......