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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 f#d ~
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[color=Blue](x - a) [/color] = x - a]!Z~[?ug
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
jcZD!C9d [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
?4v2yU9c/O [ [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
j\"Two7L)KY 如此種推，
W3DH!yim}.BkXB [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
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/g2WI-?lbC+fB? [[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nCX)X-br%R
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:|4wZ5O yS/?
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
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[/quote]p^8K$ne

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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:
+|%b%z#@H 咁難既=.="
D+FY_9B+XE!D aRwx:sS#otS
[[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:
H-M&rWu 第一個答中有獎
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[color=Blue](x - ... [/quote]

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r s,Gk1d on4p&C)A (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:Z In'W|8S
cU8V,b,kw%@Ir

`R4}C3@Mk (x-x)= 0 ，所以答案係0，is it? [/quote]
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唔似a.math題
2n\m-w2a dR"k4];M|{!J 似IQ題=.=
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7WU&Rgi0Pd [[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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b`Rx(Hq D&vkZ (x-x)= 0 ，所以答案係0，is it? [/quote],_,@*e!N5t8a\?

NR `f6kr 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:
SL9V\.{
uXBs'~ 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.........*a6F3r s2B9pU)A
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這條問題，貼落吹水版，名副其實:naughty::naughty:X-d1N8ix cP3yt
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[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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