| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
+ C8 a! \& s7 X- ]# l& B  `* I, D  {5 q+ \& J( E
(x - a) = x - a
! _. l4 h) {  l% o# A8 i(x - a) (x - b) = x^2 – ax – bx + ab
8 d$ u- V5 B0 p- {(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc% A7 k0 O7 e% h6 c5 [+ _3 {
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% P0 q: A! Q9 W0 m1 ?# G如此種推，
8 i4 ?; [4 g, o9 y! z8 }(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
& w7 o$ A9 n9 |9 Z3 z  b5 l) S( e% b- X5 C
[ 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: O& \/ d: h" |( E. l1 e' B7 ^; p

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 j, r7 k5 J0 W9 F7 q(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
/ k& b3 w4 {1 M; f- j' Q6 I4 x9 R$ Y8 I

, }5 F" a; r3 a, F' z

) @; c7 C- m" ]# N. C; [[ 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:+ N! H) a! A  z7 J% r. a( F
咁難既=.="
/ D3 q. b$ g& e, a3 H- Q
7 B$ h$ Q- ?9 N, j) ][ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

0 x& M1 {* g8 e7 u/ x
) Y0 @9 R) w1 @$ i7 v: I* l+ X+ J  |Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
  c+ I* D# I0 G6 C3 e6 @0 [, @6 m, O第一個答中有獎
; b* O7 U' m8 Q
; x: E- L9 P8 {5 y' B8 ~1 J9 Z9 o, q(x - ...

: Q/ N  ]1 I! s( g4 u# @+ @5 Z8 w: O+ J* |
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
+ j4 c$ B  Y! R% s8 T
  l, q3 n+ h' e! Q, _6 `4 B3 \
# U" {( U+ n- D! j$ ]( h6 v2 ?(x-x)= 0 ，所以答案係0，is it?

- H" o  |9 r; g7 G2 ?% f: G) t8 u- b" S8 A( V
. o0 F+ S4 e; ]6 U$ ~- n8 w: n
唔似a.math題9 Z# S! k$ D3 @% o* Q- D
似IQ題=.=
9 u- n; c" |) W+ h
+ f; |1 `! D2 r) v& M+ r! X1 Q0 X[ 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:
; f9 |. d% p* E, ^- b' t8 E. F2 H$ k- W7 B) G8 @
  }9 \5 H4 U5 U0 Q
(x-x)= 0 ，所以答案係0，is it?

# T  u: M9 v0 |) ]) v% z* F
& z' u' Z# m! D! Y* t0 {  lBingo~

waikong

我係學校個學生會單張見過( F3 ?2 i" J; X
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.........* Q* F# p8 A" O! Z+ ^
' H( I, t$ a, ^
這條問題，貼落吹水版，名副其實
1 E/ X- ]4 L# u- E. _* L8 q# W( U$ W6 v$ P9 \/ O, d/ s
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]