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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
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W n1` [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + abag4J??Q B4H
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc^Qx0zp Z@U
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd%U5TbYO_
如此種推， STJ1Zq
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
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[[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y9g9o+a4\*y&}v\"|
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:&eJ1D {6vh3EIe
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abcnp3b3r hm)?c'Lz
;h cxW}"}~
[/quote]
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;JkNy*Qg-B+^L [[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:
E,` bGo 咁難既=.="
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WGZ [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
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.P(U4L(H.ZF 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:
l-n m5d,I%R5NoP 第一個答中有獎UF8G
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3Wln#L9rv0Y [color=Blue](x - ... [/quote]
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Q`9gTM y'T-j-z (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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L (x-x)= 0 ，所以答案係0，is it? [/quote]
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'c{e e!C,Jv+uM [[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:
\$J+u6Sl'y5[u1fm o ]:y!@xS `^7_e
0v)d:VvA6@P
(x-x)= 0 ，所以答案係0，is it? [/quote]
M$a1x8M/P;F
{s\^"[(@zQ 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:
K Q$M \!s 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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V 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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