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
- c+ b. P+ f* X6 PTVBNOW 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。共四堆
3 j% F1 x3 G7 L3 C# ^+ Y( O称两次得出异常的在那一堆，其轻重
8 o/ o  j) h3 A' ^5 W6 s5.39.217.76在异常的那一堆中在称一次
- K$ X8 p8 f9 |: q公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4.
) i6 l  c( ?- [" H( F公仔箱論壇weight any 2 sets.
0 C5 v( C" t0 P8 y# ]1 [if the 2 sets are equal, then you know the heavy one is in the third
/ b; [. d$ T- g5 J% [" ?0 ^, Fif one of the 2 is heavier, then the heavy one is in that set# Z2 m( g" A( d  h3 e) `
then divide the 4 balls into 2.
. n2 _# Q% v! D/ J, Rtvb now,tvbnow,bttvbweigh them5.39.217.769 j9 n0 P- `! l# q! v* `3 h
and divide the heavier into 1
1 y% X" E( H1 `. H公仔箱論壇and weight them.6 t3 W5 d1 t9 `# h
3 x weighing and get the ans.  * s8 b# e6 P: u8 ], [- i. ^2 t
in less than 15 secs.

kino_kino

1. 6 aside and weight.tvb now,tvbnow,bttvb' Z; ?8 T/ G2 O1 \7 J" B" N
2. heavier side from (1), 3 aside weight again.
2 K1 X7 J6 a' VTVBNOW 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。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.
8 V6 h& h+ Q* o- {3 F
; ~  r) z. w/ ?7 J+ R0 U  Nbut i have a question. 重量異常 can be heavier or lighter.... so......