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
$ M( M; W4 G; p* S% Utvb now,tvbnow,bttvb共四堆# ?3 p# {: C* }' V: O% |  }
称两次得出异常的在那一堆，其轻重
0 @6 X/ U$ L6 \; B, J公仔箱論壇在异常的那一堆中在称一次- v5 [5 Y- `9 c1 a8 |, {
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
0 X" q8 c' N0 ]& J8 Vweight any 2 sets.
' C0 a/ t. R& ]* q: Yif the 2 sets are equal, then you know the heavy one is in the third
2 m  X# c, T- M0 j; W0 k  `9 [5.39.217.77:8898if 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。2 U0 P) h1 G& A  w& j
then divide the 4 balls into 2.tvb now,tvbnow,bttvb0 B0 S6 s0 m2 w
weigh them公仔箱論壇  X4 e" h! H4 E. H
and divide the heavier into 1
# V0 O% N( H1 T8 ~and weight them.
+ R# w1 {9 Q% B1 O3 m5 d公仔箱論壇3 x weighing and get the ans.  . p) A) o8 e4 v
in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb( r( N4 o, b9 x7 ]
2. heavier side from (1), 3 aside weight again.
8 u3 j) H2 T" q! X3. 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.
. n$ p8 i+ [+ Z: s: M+ J4 N5 E2 ktvb now,tvbnow,bttvb
- }- d! t% y& k8 ~- b6 pbut i have a question. 重量異常 can be heavier or lighter.... so......