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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个一堆公仔箱論壇( G5 v% [9 c4 \) @6 m: \, o
共四堆www2.tvboxnow.com6 w, O( l% `& x/ e( }2 J
称两次得出异常的在那一堆,其轻重, e3 i) X4 [. W# m
在异常的那一堆中在称一次7 }" {" D) k  c/ _7 W. P5 \
就可以找到了
divde the 12 balls into 3 sets of 4.
6 y- ^' ]! B3 _: r7 i7 H2 d0 Sweight any 2 sets.
8 l/ k1 r! n9 T% h" UTVBNOW 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。if the 2 sets are equal, then you know the heavy one is in the third
/ I( K9 f1 M6 B" S% I6 Xif one of the 2 is heavier, then the heavy one is in that set
0 n9 ~; f4 L6 Q- g. M3 |! gwww2.tvboxnow.comthen divide the 4 balls into 2.& [. f  F& K) ~0 v6 M7 y
weigh them
5 z, C' N5 h- v0 x- `and divide the heavier into 1
  W4 ?& i0 @6 u# _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。and weight them.
! z5 q. Z8 o; f% O" ^www2.tvboxnow.com3 x weighing and get the ans.  
0 |2 w9 n4 P0 A' lTVBNOW 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。in less than 15 secs.
1. 6 aside and weight.( ~! M6 R! i8 x* V* P
2. heavier side from (1), 3 aside weight again.8 C% t5 ?( q: A% x
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.
. [; h$ F* k  q. H4 Z- cTVBNOW 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。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。* Z. m' r4 t# ^4 Q8 ]2 W
but i have a question. 重量異常 can be heavier or lighter.... so......
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