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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
SbP~#k8}[Q
]F,Tb7EG5z,oN+B [color=Blue](x - a) [/color] = x - aD
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[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab]~,T/u2^
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abcL'CD q"@Exw!R
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8Z$H0Mj[:P-nX 如此種推，'{7Wk5K5jcm$y
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???4a3r
O"v&O3j{p,]o5p
5I#\3F R;W
[[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HX(~I(T YV8F5Wj-v
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:.JOhgS0D*l
MG
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc}'o Fi6t"L(F W^
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P2Nmg M6} [[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:
:yG;`$X C w+p 咁難既=.="Y:@-[b8w.Nh8ZJ

T6|'ewworil [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
'_Hv8^2V ~a 1vi G_Db"P2i"Z
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:
4]{ `FB 第一個答中有獎
s]/E4z!|8EL![ $A.[|L*]&]2c,M)WdL
[color=Blue](x - ... [/quote]
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/re|P!Lt (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:
5E*V?d6F t$X
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tD1K rm3A4s zci?n (x-x)= 0 ，所以答案係0，is it? [/quote]%v!TtE&@bI!W%[
:good:7|IV&C+?(^3YE%d5x
SkgGY$e9h6n
唔似a.math題*gAVTumqn!WI2r4T
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:+N&v-Zq TEP
L;y*F}9D1Z
$^uHihf.x0j+K
(x-x)= 0 ，所以答案係0，is it? [/quote].k(~AptGnA`o
M+e2A3C^` d5}.xn
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:
y_7Yt S2K` 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.........Wjqy'u!qj

Q_c7L ZAA 這條問題，貼落吹水版，名副其實:naughty::naughty:
%?gf@ T]9d#x2P
;]9S O1I.K j p{;rC [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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