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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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dq
[color=Blue](x - a) [/color] = x - aX:\cET+U
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
J Zt f#^ti [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
)q"RB y2c&|V-V [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
'a-p pZ6|F5D-N 如此種推，R ^%{G5c,n3[3v7~/z
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???}zG"kCc

0zT {I,j$HP [[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njR"sb eV:_
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
nH sG5P-_ (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc r.gL2\
f C q
v#[vx!q ia
[/quote]!E:kI)Un'z wT

*e*Rbq6D;`u3lwpY [[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:%n1LKU8p8O"b
咁難既=.="
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[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]Fuj:}foLo
g!X;f2NV
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:8xa"A*U8C:YaY
第一個答中有獎
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g'U,NKY"z3K#s [color=Blue](x - ... [/quote]

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(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:oI|$B2y3s qof
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(x-x)= 0 ，所以答案係0，is it? [/quote]D^7R^_~+p
:good:
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唔似a.math題
Ev|M#A@+j*r g 似IQ題=.=
T/vX0N,q R-A"^f!y 0^"w6e!a1dV
[[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:
!q|,QW1qd4x,D'L 0fc
I)rC!V!F
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x8x2K0@V (x-x)= 0 ，所以答案係0，is it? [/quote]sY'z,j1B2F

#TDMGJ7Xi 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:
Xj:N mw~8T;\:~ 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.........
LWwa[ L:s@O e"q.["N)E&j?
這條問題，貼落吹水版，名副其實:naughty::naughty:
5?}5B&NYTP P&RwZ0XI/M
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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