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
' B! ]( W! \3 P" ]% `, i共四堆
/ @4 X" m- D! R; m' C- J! H  m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。8 c& U# K1 V9 X% H7 q/ I* g
在异常的那一堆中在称一次
3 d# |1 I% T3 R, L1 C4 q4 N5 G, \tvb now,tvbnow,bttvb就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb- ]; B3 z3 `- p) G+ n. M
weight any 2 sets.
8 S8 L# j: G* J, D4 U) W5 Q& \公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third
3 v# S) G( P- u, `& mtvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
) y9 A! O4 U" M5 Otvb now,tvbnow,bttvbthen divide the 4 balls into 2.9 W1 b' J- L) a" Y" K
weigh them
; C6 ^! D4 m3 B( Q9 {tvb now,tvbnow,bttvband divide the heavier into 1
; |7 k% C# v  \. G. P公仔箱論壇and weight them.) H$ {% ]) H" q, j. I" K5 a* o5 ^; j
3 x weighing and get the ans.  5 s* N2 i1 y+ ~  E" d8 i
in less than 15 secs.

kino_kino

1. 6 aside and weight.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。( T$ A& g  ]: T! R( X
2. heavier side from (1), 3 aside weight again.8 H9 Z( z* u: s0 |! q4 R* I
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. www2.tvboxnow.com2 g% J( }1 e: t; V- V' `) l9 W

9 b* a  |4 h7 W" I+ a: V5 m/ E0 sbut i have a question. 重量異常 can be heavier or lighter.... so......