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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
L|&ck\{3U "J$|3J
~y
[color=Blue](x - a) [/color] = x - a
ayy;QD{x [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + abIJ-U@(ax4E L
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
(g+a5@vl*k+K"h [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd:i5|(kE8EP*c
如此種推，#O"RuQ+xi3T
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
d}.p3KE*u1~'C(|
1G6t(c!v4dH;~ [[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Z\)[\MO&k
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:0y|%{-`8c.A7I
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc_PV"A[A ca
Gm?*m-vj
[/quote]
E+}
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-] q+^6k&UQ [[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:
s0\vVDj0Bz 咁難既=.="
$kY'x8e&k XP#Dv"o
3M9x+s{w l [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]-IhfSk.hp[b[HD
;[}6sLd)i'n~
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:
_yG#K#{^1T/d*G!{ 第一個答中有獎SQi(zs}3n)U
#u-Q||0L GBN4g}"\
[color=Blue](x - ... [/quote]
e4i:kY_ -c,h9^+u6r/o
(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:
&kq4M!C@v 8NHx!_ QU$b'd y

d4H_ r;E(i5v{T.R] (x-x)= 0 ，所以答案係0，is it? [/quote]
+v3F!S5i+L4dt?!A :good:
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XO)[7HU}3k 唔似a.math題l!A7E
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似IQ題=.=T,n}U'i Uz
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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:-_P)`
L1v W

W Na-xZ9r.Vj +crSy%W?
(x-x)= 0 ，所以答案係0，is it? [/quote]
j2`'rPWLU 'Kr
DN+c"W Hl!{*I
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:
i,tLmr:\+Ea_ 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.........t#wr`(O

eP
KG~ 這條問題，貼落吹水版，名副其實:naughty::naughty:0wTI.~M4A4M3WokoZ
?H b"^x)ndY+n
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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