| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
' {2 H/ o+ ?  ]. I; _$ o- @
% A- D& d: E+ G9 o(x - a) = x - a0 I+ V$ k. p7 p1 a# _9 p5 d( {0 f$ Q
(x - a) (x - b) = x^2 – ax – bx + ab# j) w, u5 k/ E, U
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc1 J$ T: A6 i) U' O/ n. [9 m
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 j4 M* M  U! e' J' F2 l如此種推，
+ F% X* b5 O# _(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
9 |$ G; z! Y8 Y" v6 G# q; @, [8 @5 @0 u# L8 x$ U
[ 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
5 b+ z, v7 K" ?, M) r5 |  t

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 I$ E8 u, K2 G- t( L1 X! P: e3 n7 i(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( W4 q6 Z, }4 X3 O4 E1 a

" o; `. t) b9 X0 `% g; J+ B. F

/ M: x+ Y, C9 x; K, Z( s9 G' e. v: M$ {- h' ]" T6 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:6 P: G5 o9 h3 S# _) Q( n$ _: d
咁難既=.="
5 {  E1 l, f; I  Z1 e" z
+ E2 }, W& s0 ?; I! w/ \( p% W[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

9 l5 S0 y$ c! G4 F! C- x$ |) w0 A
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
( c2 d- ], j9 Z6 \第一個答中有獎
, R# C/ V" ?/ c; w. K8 [- h1 |* c  a) q5 d3 l4 @) N; H+ `
(x - ...

3 E) y6 t% R. _$ ?
* f1 E* [; i+ w- R
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:1 K: h) a; p9 [' s- K

) @) B# B' O4 a, p4 w0 v5 i
6 a+ W% w0 m  s% p2 E(x-x)= 0 ，所以答案係0，is it?

# y6 r0 z# C- d: d
: Y2 c9 r! G. X1 z7 f) O% T1 u8 f% U: i( M$ q5 Q% B- k6 z# j6 R; L
唔似a.math題
7 `: x4 C+ t: M) L  u似IQ題=.=8 B2 }* b: y2 x7 Q6 A

7 G, I; K* v$ ]) [3 g( u[ 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:; d5 l! t# q% b& ~& D* A8 c! V
; b5 x; g) k& z# @
" a$ l$ F6 [, o
(x-x)= 0 ，所以答案係0，is it?

. B/ P- g" J7 k1 J

- ~! _  I( }* a; _- g! |Bingo~

waikong

我係學校個學生會單張見過6 p: t/ F5 N& v! T
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.........+ B  f9 ?7 j  @# A, F

0 {4 e6 ^; n( w這條問題，貼落吹水版，名副其實
9 v! T" E! S1 o- M4 {- t8 A- B, z/ X) T
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]