返回列表 回復 發帖
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
+ e% L+ @( Z% e公仔箱論壇共四堆
, y- M4 I9 E2 B2 ?/ @称两次得出异常的在那一堆,其轻重
& ~6 a9 b+ k" v! T4 L6 vtvb now,tvbnow,bttvb在异常的那一堆中在称一次/ Q) @. e) T# j, G. u8 U
就可以找到了
divde the 12 balls into 3 sets of 4.
1 s7 k- K1 h4 t' wos.tvboxnow.comweight any 2 sets.' ~3 \4 R$ ]6 H
if the 2 sets are equal, then you know the heavy one is in the third
7 t. [: k. ~( B2 {7 }  w- pif one of the 2 is heavier, then the heavy one is in that set$ n, L9 p& C6 Z+ G' s. H
then divide the 4 balls into 2.tvb now,tvbnow,bttvb& f. l8 O4 Q; Z7 `
weigh them
' e5 p6 D& {6 W5 }8 z9 Utvb now,tvbnow,bttvband divide the heavier into 1
- l8 ^: e) W+ ?( v7 h. N3 b8 Mand weight them.tvb now,tvbnow,bttvb8 k' W4 S5 s0 _$ W" {
3 x weighing and get the ans.  
, W- I& x3 A4 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。in less than 15 secs.
1. 6 aside and weight.
' O; w* b6 ]2 j8 rtvb now,tvbnow,bttvb2. heavier side from (1), 3 aside weight again.os.tvboxnow.com  q1 V' _( M0 o/ N/ W* O3 D" 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.
  u/ }3 I' e0 y( s8 o4 F公仔箱論壇tvb now,tvbnow,bttvb: ?! I+ t, F; C; m* [" m4 B
but i have a question. 重量異常 can be heavier or lighter.... so......
返回列表