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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
\5c^-rc i;R(l [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
.B"Spt5T [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
X{9Z h7{$oE [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
e*^sLH;o+Q4y 如此種推，6]%F]j"qM
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???D5NYW/^F"qH

.T%R E4t,FT [[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jn8qw9f
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:0Lr'e8R;GIS
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abcOy:Nf'X9['d*H,o

%qd UP}2iVY9W [/quote]`\9psRe8w

e1|P2QsuJ [[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:B
l%lP(w+T X
咁難既=.="q!yE1yR8W

cUt*Ja&r [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
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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:
SS9[S$Yq?'l"a)E;K 第一個答中有獎
m7gm e/eo8q
Y5e)X%`v(HCb [color=Blue](x - ... [/quote]^Zjt\k]
g#L Nun1d
(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:E UN6M0~:r
e*Je+|e#F

u,Rpp
DI.a (x-x)= 0 ，所以答案係0，is it? [/quote]
r;XA ?'fs :good:#o4[:Nf9I9E"S#aY

$b2X;E&?1e 唔似a.math題,@#Um-Me@x
似IQ題=.=

Du8t/d Z8Diu
jb,lrt {V/wi [[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:
:R(d~'hu4v3UGb wc
GlC$?1Jw3g"J&w vs~p)j },D)}0L~)e9M
(x-x)= 0 ，所以答案係0，is it? [/quote]9f)sl ^Ax8n'Z

?-g4qm5_L/D^6Q;f{o 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:
$L,D-`!R:a 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.........aN*F9I7`3X,[;s)c!v+X1c
9o"[[8\2B`o*v+B
這條問題，貼落吹水版，名副其實:naughty::naughty:
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.Ml([1JF [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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