| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎( ]* l! r- B) B' h& {. ~
- F8 s  H& q# u) S; I, I# f
(x - a) = x - a
' v" R* Z: \; F) [- N(x - a) (x - b) = x^2 – ax – bx + ab
# g+ t9 x9 g1 H4 [7 |2 y! k/ e0 f(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
4 r$ {# c- r/ E; v8 {/ c/ i- W7 T(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, y7 s) A9 E; e# T如此種推，7 A- a4 G5 w6 u- Z
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???9 @% A3 N3 p; a+ B0 m9 C

" B" I- @( V- _1 x2 E  D1 P[ 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8 _8 F  y  Z8 B& k1 o: G

Originally posted by Triangel at 2007-4-18 01:26 PM:
  F  F; i$ f- Z4 i6 a! r(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# a, A# }, [8 D; h

+ i3 Z5 r  }& @7 f( X

  T  ]( x( a( S# k7 E4 B: G

$ f. j. k/ d- N' s5 H  e[ 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:! |6 J. s. f8 W0 W! T1 k
咁難既=.="
2 S; b: ?7 `; u, Y' O; Z; e4 K! n
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

: a- ?- q' K0 D* Y' e/ U* C5 N( b
8 F7 `, j) q; L& t1 x( Q
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:6 E9 `3 U& S6 s3 n9 j- [# \- |
第一個答中有獎
7 F1 K. }1 C0 J+ @- G& @' c) Z* i5 ]- e
(x - ...

: j6 v% }* p- K' u* F
5 O+ l0 u6 t0 X& e% P1 D% E- 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:
% F  H) U4 e3 T( k# G7 m' T8 T# F' V- a% `) w7 C

% L& A' C/ O1 |7 M& g(x-x)= 0 ，所以答案係0，is it?

, M5 K8 x2 l2 M
, t: x" r) R5 y4 r6 w9 R

! a( t) K% H* p唔似a.math題2 d$ t' D: j& q9 p0 Z
似IQ題=.=! q2 m! E' v4 [  l: D# m6 a+ r
( {8 j! Q/ _+ F3 H1 n
[ 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:3 R  k8 m! |2 S! `  _0 l1 Q' `6 r

; R7 ^6 ]0 a1 I- |
$ ?2 H( L8 Y* x9 a6 u) h" G(x-x)= 0 ，所以答案係0，is it?

" A8 p2 |  ^- p7 I0 f$ i+ O# G  N

: H) I; ?3 E/ g# L7 }* n0 g8 A5 @Bingo~

waikong

我係學校個學生會單張見過
% y. J, Z9 u# e7 @/ H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.........$ q5 W  F" g0 R) R1 o% @* x

. r" p2 h3 k4 B0 l8 H4 N這條問題，貼落吹水版，名副其實
, T2 \, e0 k. q9 u" p
: q- i- c/ Z  A) s$ f[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]