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。2 ]; U! T4 ]: |- P/ t' [/ u
共四堆. V0 N. `1 y  d9 n6 A1 N/ f2 R
称两次得出异常的在那一堆，其轻重
- J) l; h; G' `在异常的那一堆中在称一次tvb now,tvbnow,bttvb9 x3 ^& n0 N7 L* \. q& b$ I/ B# b
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb" L0 k1 {) L! @& x! p6 q' _
weight any 2 sets.公仔箱論壇6 J# v3 O' P+ x( J5 p
if the 2 sets are equal, then you know the heavy one is in the third
8 ~; y& P. }6 Dif one of the 2 is heavier, then the heavy one is in that set
6 n2 T6 @) |9 f* N' @! D8 Y4 G公仔箱論壇then divide the 4 balls into 2.tvb now,tvbnow,bttvb; J, v: [, ?) \6 w1 u2 @0 P* f. w
weigh themtvb now,tvbnow,bttvb- Z. P/ n  E4 N- f$ F& y; }0 H( p
and divide the heavier into 10 y' C6 V) }- y0 I' P0 `9 e% ]# ?
and weight them.5.39.217.77:8898- {1 f# Y" H5 A0 N9 Z
3 x weighing and get the ans.  
$ b0 o9 C& L! ]8 l0 d) O& U2 jtvb now,tvbnow,bttvbin less than 15 secs.

kino_kino

1. 6 aside and weight.
- X0 _' G1 n- r( Z2. heavier side from (1), 3 aside weight again.
6 `1 e+ r7 W: l& s# a+ h$ ?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. 公仔箱論壇: C* x1 w& v, x: ?6 B" B' J
2 C: u! r! Z( @8 {9 C7 Y
but i have a question. 重量異常 can be heavier or lighter.... so......