| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎5 [4 v% A8 P- c, K

. w: \( }) P& q# h( B(x - a) = x - a
; C' ^% F# i+ z(x - a) (x - b) = x^2 – ax – bx + ab
9 s2 J' _% y& N4 @1 x, J3 u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
* d+ M% P; d% r+ I% m(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% ^9 u0 I9 q. H/ F% j, d) w. f0 p. S4 s7 w如此種推，( w% f/ O* y  Q! p
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:% ?/ P; u- I1 W1 D# }  w; R
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
& l# B1 ^' m' t
+ b; d3 Z$ j% ^

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" i2 E% w) w' a- Q" W2 H( U[ 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:
8 N1 k$ M1 U; i/ ~7 {; W咁難既=.="
, d0 X2 t6 {9 R2 M* O# R0 k8 b) {: m- k& ~5 A! w" a7 ?
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
+ [1 R. z( f6 T2 `+ i: W$ P第一個答中有獎9 R6 c% w5 c5 z( _% G+ r4 C

8 R) l( k0 V' \(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:8 }7 m0 v% a( j1 s  s: F

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3 P4 p6 B0 x- `0 M3 @; C(x-x)= 0 ，所以答案係0，is it?

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9 W/ r! O5 G( J7 `4 W: }唔似a.math題
' |, S% y% y2 Y! N$ w! t0 M8 N1 o似IQ題=.=3 U# a; i1 ~. Z' j2 ^

4 A  L2 F* N& L9 M" e4 S[ 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:" k- y. P6 i6 q6 `

& _9 i; C6 A  Q# s- B4 G/ W+ C
* c$ n% ^0 \$ ~) M. W) E. Z(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
+ n7 w" ~8 e5 I$ Q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.......... A7 L7 H7 G  k3 t* V
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這條問題，貼落吹水版，名副其實4 }& \: O, R) m1 g! E; u: T

7 G, w& R+ t) r& X1 I  Y0 `, B[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]