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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tvb now,tvbnow,bttvb) [" `9 U- [* Q
共四堆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。4 P+ s$ f2 t! m; ~7 m
称两次得出异常的在那一堆,其轻重tvb now,tvbnow,bttvb' ^8 `; _; D7 r  m2 M: E6 [( t
在异常的那一堆中在称一次tvb now,tvbnow,bttvb, p1 K. b, R" g5 U$ ]1 w6 k
就可以找到了
divde the 12 balls into 3 sets of 4. 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。+ @- c' i- Q0 c7 _
weight any 2 sets.
: v7 _9 v8 Y5 [# T& kif the 2 sets are equal, then you know the heavy one is in the thirdos.tvboxnow.com( P2 [0 g! }! e. E2 v6 H9 k
if one of the 2 is heavier, then the heavy one is in that set( D( f9 r; v3 O* E7 G3 n
then divide the 4 balls into 2.0 k% D7 O7 D7 K$ H
weigh them
) w: p3 [+ [1 K" W  _: ]and divide the heavier into 1tvb now,tvbnow,bttvb7 u" U9 K5 i; ]" Z& Y
and weight them.# ~9 w+ n6 U2 U" t4 C: f
3 x weighing and get the ans.  & f1 B$ f' f9 k/ y9 S
in less than 15 secs.
1. 6 aside and weight.3 V5 m3 [+ B3 |: X9 d
2. heavier side from (1), 3 aside weight again.os.tvboxnow.com: A% j5 O2 [2 \+ s( i; S5 U
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. tvb now,tvbnow,bttvb+ z6 e$ ]! ]9 N; A5 b
os.tvboxnow.com8 j- G, n- q0 i3 @% Y0 Q
but i have a question. 重量異常 can be heavier or lighter.... so......
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