| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎- L( `5 {* U0 A4 o
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(x - a) = x - a
3 N  Z  F+ X- X5 o3 b- E  b(x - a) (x - b) = x^2 – ax – bx + ab* i/ [: V* S2 V9 }. c7 D1 Z: h- u
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  K3 R/ ]: p; q  E(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd( \) R- e3 P5 m! q6 y
如此種推，
8 _- m8 G: q% Z  `) \" v; U(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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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:: L5 K; k: v6 P3 k/ L5 N
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc% Y7 c. `% M9 E% B# R7 j
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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:
3 s4 C# |9 W: T+ o6 F- ^; `咁難既=.="3 J+ l4 R2 v  e6 @8 S
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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:
$ |+ M: H, l7 ^: }& r; b第一個答中有獎) q* f& ]* v' D9 m( y: D, g9 j

& H3 Q1 \3 c1 ?0 z* A(x - ...

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8 c: p5 m, }( c, e6 B(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:& `+ q, j* l) U, _- e( Q& Y

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. V/ z( p8 P; Y7 B" l+ ]! n(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題# @9 a, y  R$ j4 W: N$ ^6 W( n, l4 h
似IQ題=.=: m" r9 Z4 b5 T+ w' @9 E

9 W& B0 O+ ^5 w7 u. h[ 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:
# N5 L' H. r* y: \( g8 x( t
- `3 C' }1 D/ C4 D* f
  L- C* K/ {) f; @5 T1 N(x-x)= 0 ，所以答案係0，is it?

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waikong

我係學校個學生會單張見過- J& q6 F% ?4 p* t' 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, n) T; X/ n3 ?8 {3 s
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這條問題，貼落吹水版，名副其實
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5 P, {7 Q9 G8 n( _[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]