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Triangel 發表於 2007-4-18 01:26 PM

| TriTri | A-Math 加分題 |

第一個答中有獎
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[color=Blue](x - a) [/color] = x - a
7w1S7? c B [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab^8GJ J$Eg0x
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc0k N]5e4d5?
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd s H6`&t1@^`0t!D*z-x
如此種推，l\|zL1q,M2X
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???-x4o$T9Wo)SZ }6}L!GW

mu0]/tMHx8cl [[i] Last edited by Triangel on 2007-4-18 at 01:52 PM [/i]]

大大 發表於 2007-4-18 01:41 PM

點解你個問題好似有d問題
nB6sU[-^ ?&r g? [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:m(^b:Iy:A:V
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc;t}.Mb"R
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[/quote])YuH!ccFxK
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[[i] Last edited by 大大 on 2007-4-18 at 01:54 PM [/i]]

Triangel 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]大大[/i] at 2007-4-18 01:41 PM:Gn%WbQ-]-PCf?
咁難既=.="
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5OLpP Vb0UPk2R [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]!Kjle%p,t
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Thanks! 更正啦

littlenic 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
c,]%m4B3g'] 第一個答中有獎M2Ylc
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*ts2RonE [color=Blue](x - ... [/quote]
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(x-x)= 0 ，所以答案係0，is it?

大大 發表於 2007-4-18 01:56 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:

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(x-x)= 0 ，所以答案係0，is it? [/quote]
zGAVt0ygAf"Y)B :good: S$e v6gInA
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唔似a.math題
4h-\j:U1R,F#uJl 似IQ題=.=
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[[i] Last edited by 大大 on 2007-4-18 at 01:57 PM [/i]]

Triangel 發表於 2007-4-18 01:57 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:
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%Qql3i*Hn,Y(?? (x-x)= 0 ，所以答案係0，is it? [/quote]
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Bingo~

waikong 發表於 2007-4-18 03:53 PM

我係學校個學生會單張見過:haha::haha:
&VFG"D\c7Eo*m$|$j 諗左一陣先諗到

playbr2 發表於 2007-4-18 04:00 PM

我吾識答啊[IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif[/IMG]~~~ [IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif[/IMG]

karen0123 發表於 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0.........0e!?c$QT?q)f+z FU
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這條問題，貼落吹水版，名副其實:naughty::naughty:
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[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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