| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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/ T5 e' a/ k4 X' o; }+ ^+ i(x - a) = x - a" m! e6 @* J+ c3 v
(x - a) (x - b) = x^2 – ax – bx + ab
8 S: j, q& g  o8 [- n+ `3 K(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
0 r% a, O$ \! Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
: [6 j' n8 D; I0 A如此種推，6 j  D* w! ?7 [
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???# S4 Y) ?- d- q# f, Z6 d

. d! J3 @5 Y  Z[ 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:
) L+ {; n) g) Y. I6 _(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc% B7 j1 |2 _, [5 i3 k
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* W: Z, E2 ]# t) r+ G' v[ 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:
$ m- i) T/ d& L+ N. y7 C咁難既=.="$ a+ @4 o. g7 T
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
8 a! t1 W/ _5 n; e6 H第一個答中有獎$ F+ T  _8 _6 U1 x! e

/ h! [* q4 j, Q  r(x - ...

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: ^* W' N2 Z8 \: ~) {(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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(x-x)= 0 ，所以答案係0，is it?

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6 a8 V% j3 P, t: |% u唔似a.math題
* |1 D: f0 i0 |; F似IQ題=.=9 ?# {6 U9 U( B: Y- y
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[ 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:) q6 \  r: W' Z7 G6 v8 C
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/ h  Q9 u' `6 }. {(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
; v- S  W9 C  a) Y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.........  ^$ a# C1 x. C0 \4 ?
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這條問題，貼落吹水版，名副其實
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$ `. h% \/ p7 F8 x9 x[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]