| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎2 ?7 }% w& C- u+ n# v
1 G2 C9 K/ V' r. K# D
(x - a) = x - a
1 d2 x( `/ S6 m& z3 k/ W" h: f& V(x - a) (x - b) = x^2 – ax – bx + ab8 }: B* A+ P; T4 \; W7 Z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc, C2 D% P% u% `" u# m5 y% o( v
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. k7 A$ p' O9 V7 F) A( R( t4 E如此種推，
( j- }% G/ |8 p8 X* |% B. U- L(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???7 b% Z8 G7 l1 }+ d" _% M0 }
) h, m2 a8 G0 u% a
[ 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 d" T( h: }( k! K+ }' p6 A( a

Originally posted by Triangel at 2007-4-18 01:26 PM:
  c$ ?# k5 k; [2 @* I(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
: a; v+ g! c" ~3 F% {; s1 {# w
, Y; ^( d% R, F3 C

, K( L2 I; Y: f3 |; g. ^# K! J  w9 ^, S* [' B9 g! 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:9 X+ ~8 L& a* W+ V* v5 T# @' p# n8 X
咁難既=.="6 D) {; `  I8 ^6 K
! l$ n/ K/ b" d1 n- I( e
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

- j1 n: a6 h' w2 B& i( E8 K8 ^
3 y4 D" o# s4 sThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:& Q- M) a* I2 M0 L8 q) ?
第一個答中有獎
' U4 u( C7 u7 z3 g5 I' U4 s$ X  h. C: o- m0 V
(x - ...

8 J* I: c+ _* M* `! U& [' Z; j

, Y/ |6 s0 k7 ]# W5 {: y* I+ y4 ^) B% K(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:* |# `; \' l2 m' e4 s

3 L& _+ C0 f4 H1 ?0 `, F4 q- c  ^
(x-x)= 0 ，所以答案係0，is it?

! g( Z0 ~  G. L- _; k  k$ A/ z0 ?4 O
4 @& \, \; d5 ]
唔似a.math題
0 X+ c, b  Q( L( c# p似IQ題=.=, T: t" A" l: V  l
4 y9 M* @2 ]" F: [- ]% b8 G5 ]" E
[ 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:
$ d7 t: J, Z3 a" ~4 K
4 V/ M; \/ D. j
4 W& n+ s" M: ^' f) g7 n(x-x)= 0 ，所以答案係0，is it?

! _& \4 [5 |% m+ g! u, U% q8 f/ C7 ]+ ]
Bingo~

waikong

我係學校個學生會單張見過
! `4 n$ v( g. A" Y5 W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.........
3 x4 I3 m. z- W! ~
* X" i2 \( e/ |這條問題，貼落吹水版，名副其實
0 k' E) J# ^9 c  u% n( D! L
4 a/ a4 O5 b4 \# K/ u6 U7 O" \[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]