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4 H0 Z1 N( q* C) {. ]1 I- G0 I
共四堆2 w+ p- x# l4 t5 v
称两次得出异常的在那一堆，其轻重
. f. G' G+ H( f  A6 d在异常的那一堆中在称一次www2.tvboxnow.com; e4 ~. x3 _  H1 ~: Y7 A- ]
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 9 i! r! q# o2 D
weight any 2 sets.
3 P2 E; @- {) R% U) p5 ?6 Z* [www2.tvboxnow.comif the 2 sets are equal, then you know the heavy one is in the third9 r5 ]9 R/ p% t% b9 ]- W
if one of the 2 is heavier, then the heavy one is in that set
  |; H/ {9 s0 F3 j3 _/ f+ E% Mthen divide the 4 balls into 2.tvb now,tvbnow,bttvb9 g7 ^, \- e, o, u+ \* e4 l# `# S
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。$ w; c( c" n0 G
and divide the heavier into 1
4 u  m+ u7 W( I9 e4 B2 gwww2.tvboxnow.comand weight them.公仔箱論壇9 e; C2 O% K$ K1 H8 k/ o5 E/ f
3 x weighing and get the ans.  tvb now,tvbnow,bttvb' v. q* V$ O$ H5 I8 V  X# L
in less than 15 secs.

kino_kino

1. 6 aside and weight.
# m( p, s$ S" ~! V9 A) n5 ctvb now,tvbnow,bttvb2. heavier side from (1), 3 aside weight again.
! K( Z; ~6 y; a7 T. X( O0 N+ D3. 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. www2.tvboxnow.com$ }- k: D# X  P4 s2 i

4 |- ]9 C! B/ h8 M& a  M% W2 btvb now,tvbnow,bttvbbut i have a question. 重量異常 can be heavier or lighter.... so......