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; g7 |: B7 l5 A/ h- U# M% T
共四堆
/ v# y& e$ i  ]称两次得出异常的在那一堆，其轻重% X2 U& A* ?" g/ }) J: M9 H
在异常的那一堆中在称一次
: M( T' Z3 T' r- Q6 |8 x2 U$ w* X) t公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 5.39.217.76# ]% Q# P; d* M% w" V
weight any 2 sets.
# E( I/ p# b9 O( W9 r1 q2 |5.39.217.76if the 2 sets are equal, then you know the heavy one is in the third
8 N( A  D" {% L* j) D% u; z. Aif one of the 2 is heavier, then the heavy one is in that set
& l) q* {! X4 I# \4 w: w: ]# `5 e' hthen divide the 4 balls into 2.
, Q9 p1 [4 k* o% eweigh them
/ t1 s! s8 X: B0 B; l' V& F1 Ytvb now,tvbnow,bttvband divide the heavier into 1
( S; Z) E% j- Q7 K2 j5 _tvb now,tvbnow,bttvband weight them.
( H  }% U; o+ d: e& o5 k3 x weighing and get the ans.  4 A* M: R( x; Y% S
in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb7 T. X) G& T) k1 a' y* P/ L
2. heavier side from (1), 3 aside weight again.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。! I4 z, ]7 q( L1 b6 m: k
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.
: g) K+ p! G3 @' V  K* H
+ t" r+ Y' ]. gbut i have a question. 重量異常 can be heavier or lighter.... so......