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playbr2 發表於 2007-3-1 09:34 PM

推理大挑戰(第四關)

[color=Teal]相信e條題目都有吾少人玩過,所以今次一於改難些少.....由12粒波子变成13 粒波子......不過對於識玩既朋友,應該都屬大同小異既啫[/color]:lol::lol::dA#K?'ZT
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[color=Blue]『有 13 粒波子，有 12粒是重量相同的，有 1 粒是重量不同的 (沒有列明是輕了 / 重了)。
GPd@9oK'o 現准許使用 3 次天秤。請解釋怎樣才能找出 13 粒內那 1 粒重量不相等 (即是重了 / 輕了) 的波子呢？』[/color]
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`3T/bC8?C#u [color=Red]注意: [/color]
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[color=Red]1.[/color] 回答題目時,波子的名稱代號請用使用 1,2,3,.......至13 等數目代表, 即1 代表1號波子 , 13 代表13號波子.....以方便查證
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H-co [color=Red]2. [/color]請回答題目的朋友使用'' 反白功能 '' (即係將D字既颜色改為白色,白色颜色在黑色颜色上一行,透明的呢)穩藏回答答案,費事比其他人抄  , hide 字要連埋 , 內容 = 答案 v-JAIM

l;SzmC s]'I^U [[i] Last edited by playbr2 on 2007-3-1 at 11:54 PM [/i]]

guswan 發表於 2007-3-1 09:38 PM

[quote]Originally posted by [i]playbr2[/i] at 2007-3-1 21:34::?4u2}yj*X(e
[color=Teal]相信e條題目都有吾少人玩... [/quote]
Y+h j$VkW 我以前畫左個chart去答,6S/@ PLm8YZ
等我搵下仲在吾在:D:D:D-y-xApfk$\$o

3|@}8XM\1N 當日用左37分鐘答１２粒波子，差７分鐘才合格。Q'M^&b%f}
13.........B7t7r#nP

2oOKN A$Qc [[i] Last edited by guswan on 2007-3-1 at 09:44 PM [/i]]

playbr2 發表於 2007-3-1 10:07 PM

[quote]Originally posted by [i]guswan[/i] at 2007-3-1 09:38 PM:-w0~TM$ctThH

K/fV4x5R m9O 我以前畫左個chart去答,9I YS#]PH lI
等我搵下... [/quote]
5t#U1{)UdE!N wX*~k]l|5A!GX
記得穩藏答案

16749 發表於 2007-3-1 11:35 PM

唔識隱藏...已經諗到..:help:

playbr2 發表於 2007-3-1 11:42 PM

[quote]Originally posted by [i]16749[/i] at 2007-3-1 11:35 PM:
Qm9m[)B-@ G [size=6][color=Green]唔識隱藏...已經諗到[/color][/size]..:help: [/quote]7H9cJGEQh
,HE-TD+O']`[m
[color=Red]sor !!!....e加改左[/color]
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yeRB [color=Red]2. [/color]請回答題目的朋友使用'' 反白功能 '' (即係將D字既颜色改為白色,白色颜色在黑色颜色上一行,透明的呢)穩藏回答答案,費事比其他人抄
,y&Td`)H
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As [[i] Last edited by playbr2 on 2007-3-1 at 11:55 PM [/i]]

Triangel 發表於 2007-3-1 11:57 PM

[quote]Originally posted by [i]playbr2[/i] at 2007-3-1 09:34 PM:)iMy(OxU%|c
[color=Teal]相信e條題目都有吾少人玩... [/quote]?2l[6FPov

DdF d}lu PlayPlay, Let me know later who has the right answer and I will add points accordingly.k)bhB/[9}
XV8f{.o$[S&J.`
Thanks

playbr2 發表於 2007-3-2 12:03 AM

[quote]Originally posted by [i]Triangel[/i] at 2007-3-1 11:57 PM:
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PlayPlay, Let me know later who has the right answer and I will add points accordingly.hb&] g+buL

Y[+x^|Uv Thanks [/quote]+nv,J*BGW&A]

*A%i o m;t$`p 不如你都玩吓喇....叫[u]d叔叔[/u]加分咪得囉:agree::agree:........如果岩既話:lol::dev::D:D

Azuma 發表於 2007-3-2 12:25 AM

1.
E
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k 1-6 vs 7-12
}e7Dj GkZb if 1-6 = 7-12     13 is fake
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if not "E_'M#zyn"r_c

CVEK,K(`L%_8_m Weight the 2 time
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'p3h$u;@,FP Suppose 1-6> 7-12
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1-3 vs 4-6
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*p:q:_ ]V)r$| Then Weight the Third
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Suppose 4-6 > 1-3SuR9Du @{*s

#E v%X8B
q.nI(b Just like the first Step
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BUh0L'trIx}-_ 4 vs 5 qd,Nf^.[;[
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if 4=5 6 is the fake one
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9O-p4`*w+m_$cE/| if 4>5  4 is the fake one 'u@AV#z*h
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and so on......................

hello1997 發表於 2007-3-2 12:35 AM

[color=White]分3組4隻波子秤
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Group A: 1,2,3,4
k2P A@4lE Group B: 5,6,7,8*Lp(\dLJ
Group C: 9,10,11,12@9[,T.ZE?
Group D: 13"s XN"i4nAS

;iR(U"^2K Round 1
7D5GQ"rq3[G M G Group A vs Group BmYO4sVt0[i{
如A and B一樣, 即較輕一粒在Group C or D3[DHE$X

2iR9|!W#R0Ei@ Round 2
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S/d 再在Group C拆成:y#TuB?%H+V%mj+q'u
Group Ca: 9,10[&Y'a.fEB^
Group Cb: 11,12;g(YQ+a `dOd
然後再秤, 如一樣, 即13為較輕一粒.V'c+[3i(f ~-sG#q

$Xv%mK%lec|+oI 如不同, 即較輕一組有一粒較輕波子在其中, #l#j1j4y]
要再秤, Round 3, 之後便知答案.
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I
e.g. #1 假設10為較輕的一粒
v9x&BG0Sg Round 1
PE x E*en+G%U|
n 1,2,3,4 vs 5,6,7,8 = equalc8Hy)LMh|IFBbc
fCW8SE)c$[6c'}6]:V
Round 2-NM5[
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9,10 vs 11,12 = 9,10 < 11,12
_4\0y+b%U#Ud.p rl6}F.S+E
Round 3Gm!g1}#TqF
9 vs 10 = 9 > 10
4sS.TB"y&}{y1?[
dOY9zxO The answer is 10.
UT l0y4G%L{%J$~\ (~7|6zY0d
e.g. #2 假設7為較輕的一粒

zjV~"}!v Round 1
z
m a,sc,T9V} O+q 1,2,3,4 vs 5,6,7,8 = 1,2,3,4 > 5,6,7,8
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Round 2
8Z)U)N4m;F'wP+}&Z
K 5,6 vs 7,8 = 5,6 > 7,8b3x%W d7gI

5i6H"DaK Round 3
3s7Ne#Bu&M9sfbW 7 vs 8 = 7 < 8
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The answer is 7.
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@t z#w {}^ e.g. #3 假設13為較輕的一粒g jkv/Xs%Q
Round 1;ZG"~.AG!pg]!L
1,2,3,4 vs 5,6,7,8 = equal"[!l*D6u(s:Pv
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Round 2
$b!jK'B;S c.Uo 9,10 vs 11,12 = equal
y3}/]'k8D"W 6dzrese G EV&iu
No Round 3d8md c$T,W7x+D,{,S

y,a pPE*[ @,jp The answer is 13.[/color]
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L6Lki4P8F-W5E 唔知我答得正唔正確呢?! :agree:
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[[i] Last edited by hello1997 on 2007-3-2 at 12:39 AM [/i]]

playbr2 發表於 2007-3-2 12:48 AM

[quote]Originally posted by [i]Azuma[/i] at 2007-3-2 12:25 AM:*]ULW)~q
1.
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[o@ 1-6 vs 7-12
r,ui{8K?_V if 1-6 = 7-12     13 is fake
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C9[)` if not 7d|lK1F'woV

3fp&NGzk)m [color=Red]Weight the 2 time lw,{H-sA|

%sAD"`1eNOwr
J Suppose 1-6> 7-12
klVw1p%z3^4lU
nA!k8iW W$I 1-3 vs 4-6 [/color]
1u\2R&cg&A u^
Za B(C.H [color=Blue]Then Weight the ThirdJI+X`"n@!|
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Suppose 4-6 > 1-3
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R0T Just like the first Step
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Z[]AHoaYG 4 vs 5
HUPdTSs C[ Li hG`5FU^#`i
if 4=5 6 is the fake one
2_6H p@{-l%gH )tBZN1fU9gj q
if 4>5  4 is the fake one [/color]$o'LQa#E"RH
and so on...................... [/quote](u5e7hW_pT-f T
;nx^[BL{Zc)?8J

&a!U;F)S[0X [color=Red]問題第二步[/color]
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6t_d(vF/T+h Weight 1:  1-6> 7-12D%[/c:G DN|l
&CG9m"I.`%Hm r!iz
Weight 2:  1-3 vs 4-6 ,[color=Red][size=4] if 1-3 = 4-6[/size][/color]
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你第三步点去搵 7-12 边一粒???~ J%q]T*fe5E
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========================================
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}cG4@x$e@ [color=Blue]問題第三步[/color];ghOp0h

}B(zo$cr3F9e8nf Weight 1:  1-6> 7-12
)\3o[[?P
bq%Zo2i4q Weight 2:  4-6 > 1-3 8c I4UMWKY:g$N

*Q.`ajbV 你又吾知粒波子輕D定重D ..... 咁点解第三步只磅4-6 吾磅1-3 . 如果個波子係輕D ,咁4-6 就一定一樣咁重 :naughty::naughty:

Triangel 發表於 2007-3-2 01:04 AM

[quote]Originally posted by [i]playbr2[/i] at 2007-3-2 12:03 AM::k2|3z:Gxz5|

$U a]@,`FqE #R9V&x?;g
不如你都玩吓喇....叫[u]d叔叔[/u]加分咪得囉:agree::agree:........如果岩既話:lol::dev::D:D [/quote]Z0H,a.x!vw

^E&r'X @&y 我邊夠IQ玩，加分我就識（加分唔洗用腦架:dev::P）

guswan 發表於 2007-3-2 01:10 AM

playplay,
v A'u$_"x#n4X)C+Mz.n"{ 駛唔駛連輕左或重左都要知?
.Z6C,d1E+[ 12粒就可以,13粒......

easy_man 發表於 2007-3-2 01:54 AM

hehe ~ 睇到問題之後引唔住手睇埋人地既答案 ~^%_-EW!A)F
但係佢地好似都錯左 :help:

playbr2 發表於 2007-3-2 01:55 AM

[quote]Originally posted by [i]guswan[/i] at 2007-3-2 01:10 AM:s^lv5bHD:W/PA
playplay,%jua3}2b~i
駛唔駛連輕左或重左都要知?]L ?+dI0@R
12粒就可以,13粒...... [/quote]
2KV)D#uN|(f|5TM
(B0K)VgO)`%U&[X 如果將個答案攞去做實驗.......最後真係會知边粒波子輕左或重左.......不過係文字上,輕左或重左都冇乜所謂(又比左Tips :lol:)
'o1xam'gd/U&v:ug ;^Jq K.W}
13粒 一定得 :agree::agree::agree:

playbr2 發表於 2007-3-2 02:05 AM

[quote]Originally posted by [i][color=Red]hello1997[/color][/i] at 2007-3-2 12:35 AM:
*PtX&q9JK']Nb8i(P [color=White]分3組4隻波子秤
4h Wl8CF4~3IK_1O _
'h;o[Rp$s%rT'_%E k Grou... [/quote]8R7D k8S,Uc
1M.a)gE(u
吾知輕左定重左喎.......冇得咁假設 ---> 『一早知边粒輕左/重左 』使問由''已知的假設答案''出發,又点會推算出岩答案;););)

playbr2 發表於 2007-3-2 02:07 AM

[quote]Originally posted by [i]Triangel[/i] at 2007-3-2 01:04 AM:_Vk7Q,@/k7K

pB$}E;^P w
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我邊夠IQ玩，加分我就識（加分唔洗用腦架:dev::P） [/quote]
z+])Ids
v'h%}0_\s8K%Cm~ 頑童俱樂部  #64580 :confused: ok 嗎???

feuosma 發表於 2007-3-2 02:19 AM

[quote]Originally posted by [i]playbr2[/i] at 2007-3-2 02:07: Ld;~ qI,_s
wW]
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j {"b:@`Q \-kv 頑童俱樂部  #64580 :confused: ok 嗎??? [/quote]
JvT,N9_HDV -UV*krt_E _&Z1Q
冇勇氣面對你...不過至少有勇氣答你既問題.....我答完覺得仲係有d唔妥......不過我好相信我呢個應該好接近答案..........去片...WX Azy(M D`

sLZkq4uk#f&]-@.@ [color=White]先將13粒波子分為5份….姑且叫佢地做A,B,C,D及E….y2d,K'Ty-o6}@u
A,B,C,D四份都係3粒波子…..最後E果份就係1粒波子….
-J-^DU5B:g$@M 咁果一粒當然一定晌A,B,C,D,E果五份是但一份到….)X7N Kd0H#YwX
[b2l)N-U8@/~{ D
先假設果一粒晌E果份到…..咁就簡單….7p^ @#H6\6I^
先磅A同B….大家都會係一樣(第一次磅)….
1o s YB%Izu 跟手磅C同D….大家亦都會係一樣….(第二次磅)…X5FjtFw
最後再攞A或B同C或D磅(即A vs C/ A vs D/ B vs C/ B vs D/是但一個都冇所謂)….大家亦都會係一樣….(第三次磅)…
)L%F3Ts?#v 咁樣就證明左A=B=C=D…咁果粒當然就係E啦…..
u6Q!T7@$Wx!M? /MV,x
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世事當然唔會咁簡單…..如果果粒唔同既晌A/B/C/D度又點???
&WPa"\/F&One 假設佢晌A度…..q,[g-w8g:cc
先磅A同B….A對比B會係輕d/重d…(第一次磅)…. MD4XDupO
跟手磅C同D….大家都會係一樣….(第二次磅)…u0Ew$C-}
係咁既情形下即係果粒唔同重量既一定晌A入面…..最後再攞A入面是但兩粒黎磅…(第三次磅)…如果係一樣既…..咁剩低冇磅果粒當然就係唔同果粒啦…..HL#P3^6Uv(L j{$h
如果磅出黎係唔同既….咁就要睇番當初第一次磅既時候….A同B比較時究竟係輕左定重左…..如果係A重d既話…即係話果粒唔同既係重d既….咁晌第三次磅既時候重d果粒就係唔同果粒啦………. 如果當初係A輕d既話…即係話果粒唔同既係輕d既…咁晌第三次磅既時候輕d果粒就係唔同果粒啦……….
.yD5VA.z+K
Q(Gil:F6P/XE:l;z 而晌咁既情形下E無論點當然都唔駛磅啦…..(佢一定唔係唔同果粒)…9q.XBt7C2Ea n"D.S[

;tx0m0so!uhh
B 如果果粒唔同既晌B/C/D度都係用一樣原理咁抽佢出黎……[/color]

guswan 發表於 2007-3-2 02:20 AM

做完,可唔可以scan圖,點隱藏圖?7f"_
AR'x hJ-{
有排打.

playbr2 發表於 2007-3-2 03:07 AM

[quote]Originally posted by [i]guswan[/i] at 2007-3-2 02:20 AM:6nMz;].r6R(l7FX E
做完,可唔可以scan圖,點隱藏圖?i:FaU"amQ
有排打. [/quote]
-S:ud%G
JW g8g8Nqn'DW}b
你scan圖 , 之後zip (再加密碼)......你e+係度嗎???.......去[甘肛] 上載附件 所需 積分 1290 , 我下了會call你, 你就馬上 dele 吧 ...... 第二日,再揾機會比密碼:agree::agree:

playbr2 發表於 2007-3-2 03:16 AM

[quote]Originally posted by [i]feuosma[/i] at 2007-3-2 02:19 AM:
taBZ;o Pam)?wW-lgg

@2R1w&b/y8b%\ zM7J 世事當然唔會咁簡單…..如果果粒唔同既晌A/B/C/D度又點???
urt6Ah Q g [color=Red]假設佢晌A度…..[/color]
c a%ya4zS0sf 先磅A同B….A對比B會係輕d/重d…(第一次磅)…. y9X+^0O%NqizB;MA5d
跟手磅C同D….大家都會係一樣….(第二次磅)…
O.x`
Y\5D i 係咁既情形下即係果粒唔同重量既一定晌A入面…..最後再攞A入面是但兩粒黎磅…(第三次磅)…如果係一樣既…..咁剩低冇磅果粒當然就係唔同果粒啦…..
v@@,y8w#tc 如果磅出黎係唔同既….咁就要睇番當初第一次磅既時候….A同B比較時究竟係輕左定重左…..如果係A重d既話…即係話果粒唔同既係重d既….咁晌第三次磅既時候重d果粒就係唔同果粒啦………. 如果當初係A輕d既話…即係話果粒唔同既係輕d既…咁晌第三次磅既時候輕d果粒就係唔同果粒啦……….
8n/_Re6NK"TQ
HK9^E^'a4q 而晌咁既情形下E無論點當然都唔駛磅啦…..(佢一定唔係唔同果粒)…
4o5Pn_`P|'H*~y9v .MvIsg6R7G)[
如果果粒唔同既晌B/C/D度都係用一樣原理咁抽佢出黎……[/quote]
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一早假設了答案,不會得出最後正確答案,只會[color=Red]人為地[/color]製造出假設答案 , 如果你的[color=Red]假設[/color][color=Blue]不成立[/color] , 你下面的推算皆錯!!! :):):)

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