[size=5][color=Teal]在推理問題時,我們可以用 '' 如果/ if '' #E"E8t1eA+W
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在 ''如果'' 之下有''如果'' .....一直至沒有''如果'' .....那就是真正答案Ksu#a0MC3Q
但推理問題時,我們用 ''假設''
那就會一直''假設''下去 , 但所得出來的答案 , 既不能證明''假設'' 之本身是否正確 ,它亦只是一個''假設'' 的答案 , if ''假設'' 有誤 , 那麼''錯誤''又豈能得出''正確''[/color][/size]p$b$CL9h&A
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[[i] Last edited by playbr2 on 2007-3-2 at 03:36 AM [/i]]
[size=6][color=Red]別偷看,最難是如何開始,一看就冇意義.雖然錯了:D[/color][/size]
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**** Hidden Message *****A(T-}oPd"Y
[[i] Last edited by Triangel on 2007-3-3 at 01:32 AM [/i]]
OO~4Lj"s)r!rbsmc(mh
我己諗到點做
但現在要返學><
今晚又要同個索女慶祝生日><(好痛苦yo hoho~)
play兄唔好咁快開工呀><!cxYr%~,C2R _jN
等埋我返黎先呀~~
[quote]Originally posted by [i]guswan[/i] at 2007-3-2 04:42 AM:lr{`:B1]Wd9w;?
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如{A1,2,B1,2<>A3,4,B3,N(C)}T+,但是左邊重了,即A3,A4輕了或B1,B2重了: 所以: A3,B1<>A4,N(C)l
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{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+ , {A3,B1<>A4,N(C)},T- = A3(-) 3r|}Bsd`
[color=Red]{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+ , {A3,B1<>A4,N(C)},T+ = A4(-) [/color]E``D6l/y,s0H/c
{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+, {A3,B1<>A4,N(C)},F =B2(+)
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[/quote]
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{A1,2,3,4<>B1,2,3,4}T- , [color=Green]( B1,2<>A3,4 T+ , 得知 B1 <> A4 T+ )[/color]
{A1,2,B1,2<>A3,4,B3,N(C)},T+ , [color=Blue]代表A3,4,B1,2 有問題 ( B1,2<>A3,4 T+ , 得知 B1<>A4 T+ )[/color]7TT$I+my(y^-~
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{A3,B1<>A4,N(C)},T+ = A4(-) [color=Maroon]抽起了B2 , A3换了位 ,但天坪沒改变 , 代表B2 , A3 非問題波子 (得知 B1 <> A4 T+ ) [/color]
那有問題的還有B1 , A4 ...... 那現在去看看B1 , A4 的歷史.5~.f7Z\s e
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[color=Blue]首先由 第二步知道 A3,4,B1,2 有問題 ( 亦得知 B1 <> A4 T+ )[/color]
[color=Green]再由第一步資料( 亦可得知 B1 <> A4 T+ )[/color]
最後如何下定論 {A3,[color=Maroon]B1[/color]<>[color=Maroon]A4[/color],N(C)},[color=Maroon]T+[/color] = [color=Red] A4(-) [/color] ]+^5^W.mTo
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如果不是[color=Red]A4(-)[/color], 而一直是[color=Blue]B1(+) [/color]9d/fSr#I/]ej+tw;u
第一步 ( 得知 [color=Maroon]B1[/color] <>[color=Maroon] A4 T+[/color] ) ....成立G/J a6J)X
第二步( 亦可得知 [color=Maroon]B1[/color] <> [color=Maroon]A4 T+[/color] ).....成立TM)i
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第三步(得知 B1 <> A4 T+ ) ......成立
所以[color=Blue]B1(+) [/color]也是有可能的:good::good::good:
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[[i] Last edited by playbr2 on 2007-3-2 at 07:11 AM [/i]]
[quote]Originally posted by [i]playbr2[/i] at 2007-3-2 06:56:
{A1,2,3,4<>B1,2,3,4}T... [/quote]{*S7`8J*UW
對,我更正了,幫我看看仲有冇錯,累了*CY-hTWEO?
[[i] Last edited by guswan on 2007-3-2 at 07:24 AM [/i]]
[quote]Originally posted by [i]guswan[/i] at 2007-3-2 07:10 AM:
對,我更正了,幫我看看仲有冇錯,累了GG hkBMp
[[i] Last edited by guswan on 2007-3-2 at 07:24 AM [/i]] [/quote]
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:haha:......:cry:
[quote]Originally posted by [i]playbr2[/i] at 2007-3-2 07:26:
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:haha:......:cry: [/quote]Rwxm)XX/F
仲有錯?我好唔清醒啦!!定我清醒再睇番.n A.D-Z1s5Ja*g
[[i] Last edited by guswan on 2007-3-2 at 07:32 AM [/i]]
[quote]Originally posted by [i]guswan[/i] at 2007-3-2 07:26 AM:
仲有錯?我好唔清醒啦!!定我清醒再睇番.
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[[i] Last edited by guswan on 2007-3-2 at 07:32 AM [/i]] [/quote]#B"n I ~'q
如{A1,2,B1,2<>A3,4,B3,N(C)}T+,但是左邊重了,即A3,A4輕了或B1,B2重了: 所以: A3,B1<>A4,N(C)5S?BA5_(ho1R
[color=Red]{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+ , {A3,B2<>B1,N(C)},T- = A3(-) [/color]~ iNBi+[
{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+ , {A3,B2<>B1,N(C)},T+ = B2(+) UtT he:Om*O
{A1,2,3,4<>B1,2,3,4}T- , {A1,2,B1,2<>A3,4,B3,N(C)},T+, {A3,B2<>B1,N(C)},F =A4(-)
[[i] Last edited by playbr2 on 2007-3-2 at 07:43 AM [/i]]
[size=5][color=Green]完原來人老了真係會變蠢,30歲果陣用咗37分鐘,5[9w2~7qlM
如今......不過playplay 幫手checkcheck,我唔想check[/color]:D:D[/size]!s
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[b][size=6][color=Orange]Playbr2: 『恭喜guswan兄 首先通關 , 榮登狀元』[/color][/size][/b] }2H5B2c!J }
**** Hidden Message *****
[[i] Last edited by Triangel on 2007-3-3 at 01:23 AM [/i]]
[quote]Originally posted by [i]guswan[/i] at 2007-3-3 00:20:9p?I(bG(Q"HY
[size=5][color=Green]完原來人老了真... [/quote]?g a7y+B
#22最好hiden埋,因為雖然係錯,但原理一樣.
[b][size=5][color=Orange]Playbr2:『恭喜 2000兄 成功通關 , 高中榜眼及第』[/color][/size][/b]
[b]評語 : 此答案意念創新,方法大膽,乃大智若愚之作[/b]"sLGSIzL+_
**** Hidden Message *****:dev:l ze"|#n;{8[8|
[[i] Last edited by Triangel on 2007-3-4 at 01:28 AM [/i]]
PLAY兄,我仲未答,因為有野問,問清楚先答ue V9Zfy.yu
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假如啦,我而家面前真係有13粒波子係度,咁在我開始操作前,我知唔知有問題粒係重左定輕左呢?;m5W rBW;@&GO
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我想清楚而家ge情況係邊種:/iw9O.M7^P,\1pQ1ok
(1)你俾13粒波子俾我,話俾我聽有一粒係重左,然後叫我搵出黎
or你俾13粒波子俾我,話俾我聽有一粒係輕左,然後叫我搵出黎e*g/I!EE ^
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(2)你俾13粒波子我,話俾我聽,唔知佢輕左定重左,叫我搵出黎
老實說,如果係開如操作前,我已經知佢係輕左or重左(但唔知邊粒係),我知道係一定可以做到的/BZroU C
如果要透過3次操作,要在13粒波子中搵出一粒未知重左定輕左ge波子,我會說是不可能的
但我見到又有人答到wor,雖然我沒有看他們的答案(所以我唔知係邊種情況,我估佢地答0岩掛...)$f3u ryvHdL
所以我覺得係問題出在我身上,但又不能確定
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[[i] Last edited by sakura310 on 2007-3-3 at 05:22 PM [/i]]
[quote]Originally posted by [i]sakura310[/i] at 2007-3-3 14:43:
PLAY兄,我仲未答,因為有野問,問清楚先... [/quote])^+n$|GZ,l^8lY
唔知佢輕左定重左!!! 如果知輕重,還須要諗嗎?
sakura兄,如果凡事一開始就存否定態度,
而不嘗試探索一下,會自己局限了自己世界觀.kc(R"S7w JA#O
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試一試再想想才去否定還未遲.
不過原來playplay個答案係好簡單,ohv PU7[Sj
我鑽牛角尖了,我真蠢:cry:
[[i] Last edited by guswan on 2007-3-3 at 03:25 PM [/i]]
[quote]Originally posted by [i]guswan[/i] at 2007-3-3 03:12 PM:
唔知佢輕左定重左!!! 如果知輕重,還... [/quote]yZ;jG6rB8L{
咁係咪即係情況(2)?
[quote]Originally posted by [i]sakura310[/i] at 2007-3-3 15:27:
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咁係咪即係情況(2)? [/quote]
情況(2),唔佢知輕左定重左.
其實playplay係個問題度已經有好大提示,13粒同12粒大同小異,
可以先諗下12粒點樣solve,#[Den1m8n c&V#G
我好耐以前諗過12粒,當時我用我自己嘅方法solve到,p!iK:rw[ KA
因為得唔得自己可以證實,所以一路冇睇過答案.
亦冇再深入諗個原理,所以亦局限咗自己,
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而家知咗原理,就發現自己當時武斷地覺得太簡單了,是何其笨實.:Dj3oVT?2hT
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原來世界有幾大,在乎心胸有多寛敞:D
[[i] Last edited by guswan on 2007-3-3 at 03:56 PM [/i]]
[quote]Originally posted by [i]sakura310[/i] at 2007-3-3 03:27 PM:
咁係咪即係情況(2)? [/quote]xL:BN YYs|