| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎" l. v4 t- Z) M! s, H, r* @
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(x - a) = x - a
( y& u  T9 f4 h. `: W4 o$ p(x - a) (x - b) = x^2 – ax – bx + ab7 d/ w; s: A' D, {) j
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
- n+ U9 [% |( i& v0 X( q$ c$ F(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
( M" w9 s: ~' g如此種推，
9 C/ q3 u- _# R# A# {+ F% Q: ~(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 p$ y  O# x6 C3 W+ p0 _. x! k

# w2 V- F8 y* _0 L8 W- X6 w* s8 T[ 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:
0 b: F; H* {& O! f(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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+ v7 n5 J, @' d咁難既=.=", h$ v: q$ n1 C3 x3 c0 t0 h

; ^5 m2 n7 ^" p# \! ]3 L8 Z. c/ ]9 d[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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2 V+ x0 e7 R8 A/ e- y% T: HThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
, \1 M0 a. g; e3 |% \第一個答中有獎
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(x - ...

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! t$ {- J! f8 E(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 z' j9 f& j( }! E1 k0 L/ U

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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題5 Q/ G( f: I, d- j- X- i  i& b. c
似IQ題=.=8 C8 t  T$ l/ d' K

$ {1 I* ]1 G$ j. ~- ~. S' F( `[ 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:1 x3 o3 t7 {1 o. A

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3 {. w6 p/ Z1 {' l" p3 G(x-x)= 0 ，所以答案係0，is it?

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$ S0 |% S) E9 ?0 \4 y! k7 t4 nBingo~

waikong

我係學校個學生會單張見過
$ _6 v1 Q, O% a3 J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.........
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這條問題，貼落吹水版，名副其實7 R% n# {( i3 [- X& ^+ K; Y8 p

* Q- t* `3 I7 {4 C$ j8 ^; ~[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]