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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
%V&i#pfQ$EQ [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
r*m2hro
W [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc RE%z;sz
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[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd4Jb?l#~r1M/~} ~9]
如此種推，
JZR
[-mKA-J
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???Q7{$MF e

j2cXbI [[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
`x6l1P3g7k [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:WT `maj k
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abcQYJVcENX YF
~J_#M3GN)o/?$EU\
[/quote]
dXR2];Q(E:D/R #uGmY)N&a
[[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:n3H+pD$rcx1T Cw*i
咁難既=.="
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S5H [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
dm:D\S 1|#g7?G Iv:O
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:
H'O's"a@Ax6P 第一個答中有獎
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g1?PI${ l [color=Blue](x - ... [/quote]
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l BZ1q3P+Qqa (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:R]5s#JU

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(x-x)= 0 ，所以答案係0，is it? [/quote]
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sp9Nr :good:
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唔似a.math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:#c|~`bM:B$b]6a
O*Uo%`$t5IAG

%w\9tC_ Z&{)s (x-x)= 0 ，所以答案係0，is it? [/quote]
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waikong 發表於 2007-4-18 03:53 PM

我係學校個學生會單張見過:haha::haha:M]q(a$c F6I]6Sq
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.........
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L5Ho$K
{Y.A#H3FuN 這條問題，貼落吹水版，名副其實:naughty::naughty:!Yv_zn*J6o5fC!]
/PZ+L:W@:z7][
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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