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& A8 p% h  @9 Y
共四堆公仔箱論壇( q# T' `6 P4 M, F3 q$ p. y& T
称两次得出异常的在那一堆，其轻重
9 f0 J' d. r0 j0 q% n  _在异常的那一堆中在称一次
/ X, K; s+ {9 \7 B+ R& N: a5.39.217.77就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
+ A' K3 y6 R9 V公仔箱論壇weight any 2 sets.
. _5 u/ W" v( f+ W& m  z& {0 vif the 2 sets are equal, then you know the heavy one is in the third4 u* o- i* _+ w; W+ g
if one of the 2 is heavier, then the heavy one is in that set  C4 y  X7 D' @; S' w/ v; m
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。7 o/ p6 ?1 q* ^( c  J
weigh themtvb now,tvbnow,bttvb' W0 x, i" u3 F+ [1 s3 B& F# E
and divide the heavier into 11 P: ~; B: O' p4 ^. E
and weight them.公仔箱論壇0 d3 X5 C& B0 Y2 e( T8 G
3 x weighing and get the ans.  4 [/ A8 S) E! F' K1 M; |) r' q
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。: z2 j  l3 k( K4 Z
2. heavier side from (1), 3 aside weight again.公仔箱論壇+ X% f" A! u9 M9 C* 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.
: `7 m! E+ S8 {5 p+ e4 o5.39.217.77tvb now,tvbnow,bttvb; H6 {2 E6 A/ Z" P* I, ^
but i have a question. 重量異常 can be heavier or lighter.... so......