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答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1
^:)^ >:D<
thx
let cc
not possible
不知道要怎麼做阿??
hao

the model answer is stupid

there got more simple way to do it, just read my way, the one i answered before
the
see 了
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
how?
先分3个一堆& ~0 n4 t4 l) a' C- A4 S( a. S
共四堆
9 G( H2 I8 \" U6 r. c' `( l# l$ H称两次得出异常的在那一堆,其轻重公仔箱論壇9 i* R& n' P1 k- w1 x" W4 J( e
在异常的那一堆中在称一次
# s( [4 h9 ~/ a' C" N5.39.217.77:8898就可以找到了
divde the 12 balls into 3 sets of 4.
: b) q$ F5 b% F' U1 s7 ~6 k5.39.217.77:8898weight any 2 sets.
: V) H4 B/ O/ L, c1 _& X7 J& C5.39.217.77:8898if the 2 sets are equal, then you know the heavy one is in the third- h+ t: d4 d( v/ J
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb" U/ `" E& Y5 X% b  d
then divide the 4 balls into 2.
7 B8 V- w6 s. @! @! fTVBNOW 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。weigh them5.39.217.77:88982 J! T5 P& n' N5 Y+ `% Y( W1 F
and divide the heavier into 1
& c8 V7 r3 h, ]0 L6 ?; z) J' wand weight them.
6 b8 |8 v. @7 _7 B& ~tvb now,tvbnow,bttvb3 x weighing and get the ans.  
5 U; j! `1 K; o: e' N公仔箱論壇in less than 15 secs.
1. 6 aside and weight.
+ ]4 y4 B' X  J! t, n: B$ s8 wTVBNOW 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. heavier side from (1), 3 aside weight again.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。' M$ L: a' w4 N' c
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. 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。- w- U2 T' `- a6 w

* E2 G( G# A+ ]) D. v, Z$ Z& G5.39.217.77:8898but i have a question. 重量異常 can be heavier or lighter.... so......
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