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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
9Md&UG.y#@
7mvKU$A-a"p Vv [color=Blue](x - a) [/color] = x - a
goEz:g'fX/G [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab} Yi1`'j VP#Q
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
z)h2rCU"b(P |.f [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
@m^Oe4E$` 如此種推，
PP9wyk mq [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
sn&[3MO5H g%o!t|m g
[[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
(^+D
[ ?/M2s3vB5c h [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
c`e-U7l\.}g (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abcZ2w4}&^-xjM!luW6r

n9W"c
NZkf [/quote] Fp&x7P1u

#h0X#Y0dM$C0h3D [[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:
S$D*sZw 咁難既=.="
@L(JEeK7u#~?hF
7BMs \%dr(tY^'o3H [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
2W3@S,gC!Bb4_ TC,x;j,xLBi
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:d3D*]9s"?
第一個答中有獎u| k!LK;_4?!f3QW

jCJU!rQ^;n u"X [color=Blue](x - ... [/quote]
R2cQ9@;i3Q B+m @:P
u~8\6R.^,@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: ]4\#T,U?
vc6w/E

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N_H*A^F'M
]F9T4V0h6aa (x-x)= 0 ，所以答案係0，is it? [/quote]-Y~w:oT
:good:
_(a4e9VUO3h;TX8C
\$p rNHt`l 唔似a.math題
"hH:j$Jv 似IQ題=.=
/e,GA^(P#_
ql!o(`.r/aS#M [[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:uRtII$v-k

%F'db%S]%@
hf8ME;tj (x-x)= 0 ，所以答案係0，is it? [/quote]
]6E@j6OH6|\
g e%[oK"b 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:
\r\k5oP%l3Z(R 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.........4QY~C'B:ZJ

GLm7Y]v(N 這條問題，貼落吹水版，名副其實:naughty::naughty:
]n?)bQ5CA
SV%q5?C'S [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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