| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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$ l, p% M! d9 e( \, T1 u( |(x - a) = x - a% g  b. ~6 o, D' m
(x - a) (x - b) = x^2 – ax – bx + ab# a( _, D7 K1 s
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
% R" [6 B, h, ^0 m(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 `# M  A9 U/ T% T如此種推，
- y5 {6 g. p! ?; }(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???2 @( V( y& {/ U  D( Y0 R& e7 K! U, n
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[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

大大

點解你個問題好似有d問題
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Originally posted by Triangel at 2007-4-18 01:26 PM:
$ M+ D! T1 v5 |9 w(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc. O7 n$ U+ v  |4 i- K. w
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/ ~# v0 L- A$ d7 t/ F5 ?+ C+ F[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

Triangel

Originally posted by 大大 at 2007-4-18 01:41 PM:
5 N8 p4 Y# `) R4 G: G( a0 T! y咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

% E' F" F/ y5 n

" Y" p: i# g) FThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:1 J0 }6 c) j( X/ s2 o! E5 n
第一個答中有獎
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! S7 M: q0 B  Z+ P/ F6 w8 T! ~(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:0 t$ s2 J# _' _( S& r$ T) Q( S4 ~

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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題$ {$ t& Z0 i* P
似IQ題=.=
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8 _  b2 b% y% F& C% g" {# U( M[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

Triangel

Originally posted by littlenic at 2007-4-18 01:54 PM:' e# l- Y+ g( p7 [
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
* r) M$ d" V! F6 N& o諗左一陣先諗到

playbr2

我吾識答啊http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif~~~ http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif

karen0123

(哭)~~~~~其實我都知係0.........( U" v* R' J* C9 E, D

9 i: k& W+ Y! G5 c; }這條問題，貼落吹水版，名副其實
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7 o! r% ~+ a% i9 z) J! o$ q8 W[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]