| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎8 h( e" P( L2 V1 m

* U1 M$ Y1 z4 Q4 x' B7 F5 V(x - a) = x - a* H2 w- ?( c# `. T/ N) F5 x4 Z3 b
(x - a) (x - b) = x^2 – ax – bx + ab
! K# |0 H1 P0 T$ q( @0 |7 {/ v(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
4 e( u0 k7 j: f(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd$ j& f/ A; d3 U& ?2 n/ k& |+ t
如此種推，
/ d3 ^5 p5 o+ E8 r4 V(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
9 u+ I3 r3 x) M4 [) ?4 m  K/ n; X& \, C/ ^! o' b! w& x7 d4 A
[ 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
' b* @' a  P% X  b1 l% {# o

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 A: f4 z. J# e(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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:
7 D! q9 d" s% p1 a3 W! Q2 v7 ?& V咁難既=.="
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' b9 ?8 [2 y$ B+ T. y[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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7 X+ p1 {' Z% B1 F& T6 M. SThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:$ k3 S+ v! E' N
第一個答中有獎8 @5 B. G2 Z6 Y4 z# Y: _2 [

. e0 S5 n1 f% ^. W! \) G(x - ...

7 b/ T. @% c6 I: {
! V' Y8 I% y( r* [6 [1 g1 a1 D(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
8 }) S3 j3 S) f" @  t9 K% a2 X: e# `/ P# _  X* q9 z1 ^# R6 _
- i8 Z$ m. z& W0 Z0 W
(x-x)= 0 ，所以答案係0，is it?

+ E$ d/ D$ `. V5 F  ~% W% m1 `
# U7 k  Y8 i( ~! e  x, Z  z/ @% S: z. S: e, a( b1 r
唔似a.math題
; T& ?+ I; {, O似IQ題=.=
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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:" b1 A. B$ `$ i

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$ {/ _3 i7 I8 T! ](x-x)= 0 ，所以答案係0，is it?

. l8 a4 f" a4 J5 f' ^& _

$ \7 r6 a2 |! Y/ Q. VBingo~

waikong

我係學校個學生會單張見過. F9 r: ~6 I- L7 P3 }7 \
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.........
1 }7 W( l6 `1 o% y' Z3 q8 [6 n& _. ]% r0 V* o; F* Y3 f) O6 ?1 Q
這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]