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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:_9h `'E+D;@$d
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[color=Blue]『有 13 粒波子，有 12粒是重量相同的，有 1 粒是重量不同的 (沒有列明是輕了 / 重了)。$rY-k4?2em
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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[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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#_r!}yu]B$g%m z}g [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wUI;D9Ei
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[[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:yAe(F7Y
[color=Teal]相信e條題目都有吾少人玩... [/quote]*w7Y:E`aB i9U5};D
我以前畫左個chart去答,`,n]5{y b
等我搵下仲在吾在:D:D:D8Z:W"Yr?$j
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當日用左37分鐘答１２粒波子，差７分鐘才合格。 wY&}v)Z~
13.........
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)v_Q)Y?g$hK7p [[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:
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phk y8\VT 我以前畫左個chart去答,!Y*x {_4^$p Y u
等我搵下... [/quote]
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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:
s*I#X.G4@ [size=6][color=Green]唔識隱藏...已經諗到[/color][/size]..:help: [/quote] ~*VA|cL:s
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[color=Red]sor !!!....e加改左[/color]
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[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9h,o1Y'r'Jzcg0m

(\:`-m)hFR9r7o [[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: Z%gHw(n`
[color=Teal]相信e條題目都有吾少人玩... [/quote]
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PlayPlay, Let me know later who has the right answer and I will add points accordingly.]]2d*^ A&y
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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.s3l#B}t1Y)FN#ua:M

_\2gQ9qre Thanks [/quote]
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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.
(wvH*qO V5V.z.O(Ht 1-6 vs 7-12
H*k#z(Wco I B%Ij if 1-6 = 7-12     13 is fake
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Weight the 2 time ~(UF$v OOZ
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Suppose 1-6> 7-12
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1-3 vs 4-6 ?5Dq5C}FR1J
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Then Weight the Third&W\b'\F6p
3.
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0c;a(L"Fxl Suppose 4-6 > 1-3
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Just like the first Step
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dF2U"GK&Ow 4 vs 5
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6W#hO2Re] if 4=5 6 is the fake one 5W)C:IJ| C
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if 4>5  4 is the fake one
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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/M9h+SnvZS1H/`

5YdcW9h%B Group A: 1,2,3,4
*jy.f6EPM Group B: 5,6,7,8
(a?k zItiC C Group C: 9,10,11,12
P[f(vZa}-C Group D: 13
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$n*cv!nqX8?V)nm Round 16y'nw _&K&c
Group A vs Group B
7pRh%Z5Rp 如A and B一樣, 即較輕一粒在Group C or Dl9S;p6H/w(c#k*Ti

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`i1Q-E!oQ Z 再在Group C拆成:(w/Y i7`F
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Group Ca: 9,10
}(n&[1A lUW Group Cb: 11,12
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Gm,}u 然後再秤, 如一樣, 即13為較輕一粒.Z/d#b&?"J+t|4PG

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Bi:` 如不同, 即較輕一組有一粒較輕波子在其中, Jc.pq]_
要再秤, Round 3, 之後便知答案.
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e.g. #1 假設10為較輕的一粒
Bmv9X(A6PV&mg*H Round 1
-\)t6{nH0oqkY 1,2,3,4 vs 5,6,7,8 = equal.AD6~v Y

(cy*G1PShR#f/` Round 2"b(A9@'j*v-l,e MsJ
9,10 vs 11,12 = 9,10 < 11,12
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Round 36d5]7J8M1tut
9 vs 10 = 9 > 10
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The answer is 10.
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/t-pA%Nc e.g. #2 假設7為較輕的一粒TGLQ.P,o mI?+t:]{
Round 15gZ+{9i:l*F5]7^
1,2,3,4 vs 5,6,7,8 = 1,2,3,4 > 5,6,7,8
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0N'pqa%V5M5Wf Round 20U+]+@&gX*{
5,6 vs 7,8 = 5,6 > 7,8 ]HrU MxE9Qku


n+@v `8eg Round 3
-e]WU k)P0K)r 7 vs 8 = 7 < 8 ]4w`%bC ax Y
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The answer is 7.
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e.g. #3 假設13為較輕的一粒?)\+}]P|Qiz+L
Round 1
l@'zn Dd1[&N/_%Y 1,2,3,4 vs 5,6,7,8 = equalR.I(@h
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Round 2}_z0e?5{ gjE
9,10 vs 11,12 = equal~*Nrj)q{!h
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No Round 3S%t9f^.k+y&ee
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The answer is 13.[/color]
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bS ^7s^ 唔知我答得正唔正確呢?! :agree:
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bwt5~{5L [[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:
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a@\Q ?;C#U 1-6 vs 7-122YR&H(ZGq
if 1-6 = 7-12     13 is fake!n_9@K#B4}b A

*C$Bw!{*x*N.A_ if not
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A+@Z`I5IGz/H,~ Q [color=Red]Weight the 2 time
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b%}9bHmd Suppose 1-6> 7-12!Y]\ E|@i

K \CPk 1-3 vs 4-6 [/color]
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cQ2?%`I.D{ [color=Blue]Then Weight the ThirdGv2j iwO^
3.
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Suppose 4-6 > 1-3 YsC yF(G j\'s

+xelLI-T1{ Just like the first Step
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4 vs 5
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o,j*SJ4V if 4=5 6 is the fake one 'Ugbz x^
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if 4>5  4 is the fake one [/color]
O"tPmIi_'Y and so on...................... [/quote]"A] SLm7t
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[color=Red]問題第二步[/color]6n@HQ-Q,M+Ro4S^ I
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Weight 1:  1-6> 7-121oTV C&y

%vZ`u2s(yw Weight 2:  1-3 vs 4-6 ,[color=Red][size=4] if 1-3 = 4-6[/size][/color]:u3vX!`
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C r t'K-O*{d 你第三步点去搵 7-12 边一粒???
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[color=Blue]問題第三步[/color]
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g Weight 1:  1-6> 7-128j3jp4g\wxV
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Weight 2:  4-6 > 1-3
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L1PL;H@ 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:
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nF(FQmw3yn k 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]
.oa1O%Xs-}1U&Pn +| ^I@Yc
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,
iG*z `8x T]|0fw@v 駛唔駛連輕左或重左都要知?
$gO r;wI Fu;eQr 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 ~)xQ{:Fk-?,y
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:
X]Kr0huJ Ne!n playplay,
9~A6_t5aIT6]!H$M 駛唔駛連輕左或重左都要知?
$_3ay'Rj9v*[1A 12粒就可以,13粒...... [/quote]
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?*Y+TD}5sw 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:)`(u R4zm:X:} R
w,~_;?*TRF
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:EN#HeR!W*]B4S
[color=White]分3組4隻波子秤
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Grou... [/quote]
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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:
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[
!c6OW/V&E 我邊夠IQ玩，加分我就識（加分唔洗用腦架:dev::P） [/quote]w)O*p Q;Ic
+zon"qUT!b1cx
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:)rr B/|}'x8L)J
/QilA1Cf(K!u|I&B
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頑童俱樂部  #64580 :confused: ok 嗎??? [/quote]
(rVA `l7[+m
;H2o1WW)Z.SD-] 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...z#]"zxq'_
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[color=White]先將13粒波子分為5份….姑且叫佢地做A,B,C,D及E…
3pE/y9W2^:e:J8c\ M A,B,C,D四份都係3粒波子…..最後E果份就係1粒波子….
V2gh&A(yQ 咁果一粒當然一定晌A,B,C,D,E果五份是但一份到….WkjDT
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先假設果一粒晌E果份到…..咁就簡單….&A#@Bf|4{Yr
先磅A同B….大家都會係一樣(第一次磅)….
JnE S| }/f9Bf8R:f 跟手磅C同D….大家亦都會係一樣….(第二次磅)…&I"?pH|Se2?
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)…+n6{KG})w3A2C
咁樣就證明左A=B=C=D…咁果粒當然就係E啦…..
+_v}{V j vg hH U8y;S&vD}
世事當然唔會咁簡單…..如果果粒唔同既晌A/B/C/D度又點???
r!ms"_Z!k G.Q tC#D%S 假設佢晌A度…..d5C/K2l0v
先磅A同B….A對比B會係輕d/重d…(第一次磅)…. X^I
dd5qy
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跟手磅C同D….大家都會係一樣….(第二次磅)…cU0o$QjZ
係咁既情形下即係果粒唔同重量既一定晌A入面…..最後再攞A入面是但兩粒黎磅…(第三次磅)…如果係一樣既…..咁剩低冇磅果粒當然就係唔同果粒啦…..,R7I!h7p6{
如果磅出黎係唔同既….咁就要睇番當初第一次磅既時候….A同B比較時究竟係輕左定重左…..如果係A重d既話…即係話果粒唔同既係重d既….咁晌第三次磅既時候重d果粒就係唔同果粒啦………. 如果當初係A輕d既話…即係話果粒唔同既係輕d既…咁晌第三次磅既時候輕d果粒就係唔同果粒啦……….%jcf$n#m#\|

p&{4b+Bgw 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)…W} ]u"F6w0Y

2|kx(nX 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?ti*{]!D6y L'b_ t
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:D'Y9s4xC8u
做完,可唔可以scan圖,點隱藏圖?
3f x5sa&W ^B$iXAX-~ 有排打. [/quote]
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5XC%S-@2u}%Tq5`*n"T 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:y'X@-X_@ Tp6PU

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V4YD_dN#w1t9x7r 世事當然唔會咁簡單…..如果果粒唔同既晌A/B/C/D度又點???
SEYErzK*`.H4N6i [color=Red]假設佢晌A度…..[/color]*U7}w;CdEZ
先磅A同B….A對比B會係輕d/重d…(第一次磅)….
/}3_0CL'M@3r` 跟手磅C同D….大家都會係一樣….(第二次磅)…
wg4?*k
d5JU8~,{ 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…..+tY&E'l? HOJ(uy
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……….'`Q1B-xETa5bN
p,Pz7Q[ H
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)…ex(rb-sj Au

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[,P(r} 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](}HJb:D;[n
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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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