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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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dY)B5sR+y-eh [color=Blue](x - a) [/color] = x - a*y4R/Zd3~)k q%Dia*YG
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
F]1d%T8v7Eg'~ [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abco$T}9A0e
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
R1]3o'TX]&h 如此種推，;e6x]d^,kj
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???1wQ7G1WI#qq

(te1a{&jN:ax#[ [[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
;e`JsX"vR [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
J(S |K2I'] A/_2K q (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
j't:g6Q+UdR'g} ~5b *E&}yan2g7~
[/quote]UQ o$VG/J.c

6n4k p.B1wC [[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: A[/r:D8V*|%ad!\
咁難既=.="8m'Y7{,|H#T(_:J~9f

JE)VV ~ [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]S9K\qR yd#m
om+a

c|Gi.R's2v 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:gWQ5f Sf,}
第一個答中有獎P)_6zQk8cd(}
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[color=Blue](x - ... [/quote]9V/n4s3R'E

'z!c'Yj SM^N&K:c Y:f (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:6x3g*jP!sI9W1Z
f~d3` Z#x$|

:Sn?zqj8z,e (x-x)= 0 ，所以答案係0，is it? [/quote]
^PV/iz"d/R]n :good:Y)^zG yEPS
zF6x0vB u%J
唔似a.math題
9y B7Y;L(tWN(ORC 似IQ題=.=
J/ZQ9o r;M@B,J
!e4SkG/O9f [[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:
m+y4]Qz~ c.I!{ 'Er7h0Q1bT
.|gI!]kh)^
(x-x)= 0 ，所以答案係0，is it? [/quote]
M4I&v r-X }kQ;C cy,i:IC
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.qKutu9}
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.........
vfj2L$@E?
!@"E$bh6z$q KZf 這條問題，貼落吹水版，名副其實:naughty::naughty:U'_l[%C.H9t`/W
}+u/`*[ Jj
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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