| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
" ]/ R$ M5 J  _3 `; L' P0 y. H" `& ]1 c. C+ ?9 j* W
(x - a) = x - a
* s6 O/ h4 o( I$ A1 t& a(x - a) (x - b) = x^2 – ax – bx + ab
- _% S5 i- Y8 B(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc% F6 m1 V$ `- J4 T+ ]: X8 ?0 W1 f% E
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 {( C8 t! R, {8 ?) R如此種推，
9 D* C+ v# S5 R$ k(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???" m: _. Y5 z5 e% u* A3 c' ]8 ~
; z" n, g0 A- z0 {
[ 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
6 ]/ K1 g1 S: e3 |+ N

Originally posted by Triangel at 2007-4-18 01:26 PM:
. k( ~* a1 }' b/ i1 p- e/ e(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc+ s7 q. q& v5 {) T& F( ^

' I* h: y+ f* A- S& T1 J  |

$ {  M) U4 {' m& L0 w* O- N

- r$ e3 U. p$ W' `3 b[ 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:  I7 p' I9 x4 J7 m- E. F7 G& r; x
咁難既=.="
& ^. y/ S1 l/ ?
2 ]8 l; q  v' {' S' a[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

+ C- u" ~4 ?1 j7 g4 E
$ k5 |0 P+ o  _# n2 h
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
" |5 F. r& T% s" T4 |第一個答中有獎, B# v; v& m: a0 }  f( [* \

8 K. r$ Y4 S. _" x/ M5 j(x - ...

9 T/ r. X% C4 F
# P2 N8 p0 E! t* V5 Z( k" Q! `6 q
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:& i. C: g0 Z  Z) H* }/ u% H4 m' O. k

3 @0 }; L) u% q" o' m
; u9 d5 U6 x& Q1 g8 X# H- E% T(x-x)= 0 ，所以答案係0，is it?

; i  q! o# N; y2 |6 R) d9 L
; k; M0 q6 k6 n, z' G  k4 O

/ d: O& Y  X4 e* ?( U) z4 b( C唔似a.math題
7 W& C1 p! I  X) |- S似IQ題=.=4 y, f% E! ~, W) e9 f

, E. S1 K' L9 y* n3 {[ 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:
7 m4 ^% C  b2 h; h! n# M  o
+ f' y* C; ^) O# ~; l! |$ [2 V9 I$ T6 h1 A, q* c5 k4 r, F
(x-x)= 0 ，所以答案係0，is it?

$ L- N- t% r2 L4 v  n
, }. L: a4 e  J# Y% `6 b
Bingo~

waikong

我係學校個學生會單張見過
0 @- Z1 d6 w8 g2 o4 ]2 v" m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.........
5 K3 d' o' ]( @: b$ e- n6 V1 ?
2 l, Y0 h0 D1 L% |: {' R1 M1 O這條問題，貼落吹水版，名副其實
; T& z# c2 S" R" O* \& x$ \6 I% [+ l8 P5 C- z% A) |7 N4 d
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]