| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
5 P/ _2 `; z* C; b) T( R0 r6 C; Z- {) n& t& n
(x - a) = x - a
5 @) ]8 h" j" D( j9 N(x - a) (x - b) = x^2 – ax – bx + ab
* V" h  ]8 V+ S  _& I1 L. P(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
7 Q! L7 @9 v, Z* {" c(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
- Y6 @5 l, m4 L5 ]8 v如此種推，% g( i  w! j$ s* r2 a/ v9 Z
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???/ z6 ^* B4 h, P( E1 l, {, B
+ r% [* O' |: u0 h$ g( u1 z
[ 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* F! v" @) T$ U8 O

Originally posted by Triangel at 2007-4-18 01:26 PM:
% ~3 t% [9 g, |) r5 _(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc8 l+ ~7 P7 g  k  e' c1 \  G

9 V/ t( c3 `$ Q0 n* O" ?$ Y* p/ Y

7 u2 e5 E1 N4 C. h3 n

. M# p, c6 k) ]1 ]0 c0 p[ 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:  w, w8 h, ?1 u8 j2 z) t" K" o, ?
咁難既=.="
$ f# G! s9 w; J+ ]9 U
5 W& \/ m/ h8 [; X[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

" n7 y0 p' E. ]$ M# c1 ~

! X# [$ g* \! y- u. ~* NThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:. G7 @& I* N# H' O
第一個答中有獎! B4 J. n, t& o+ F' f- P" P! V
' e- X9 C8 Y  x% J  R9 [4 n
(x - ...

+ ~- A5 p, i, z& N9 c
  E: ]5 W: |* U5 T$ E6 {" x' q(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
( }0 J. s' R7 J& A4 o  Q: Y/ H
) }3 `& r4 `, ?" s- |1 W) F" r9 N) h# h
(x-x)= 0 ，所以答案係0，is it?

5 z% i/ Q1 h; A

3 b/ o7 i. G- n9 a5 B0 ^9 V: N
6 ]6 s# U1 w0 f( o; Z唔似a.math題" D' q' Y1 h, Z- Z, ^9 K
似IQ題=.=
. j4 C  U& Q  z
5 S0 _) V2 `* c, q3 d[ 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:
7 c( H/ @6 r* [
! w) M- f- M2 [- S. O2 P( k% D! ?% z( y3 r# I' N
(x-x)= 0 ，所以答案係0，is it?

9 q5 G1 [( D& _; j! r

; [6 r7 I6 ^# e! BBingo~

waikong

我係學校個學生會單張見過
% i; S# Q9 j( j% V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.........
+ w4 i. ]$ u4 w7 i; l! `# l9 N8 l4 X) R% G; ~9 f
這條問題，貼落吹水版，名副其實$ q2 q9 ^% w- h, j- |
$ E- u8 ]' ]; j4 X- w4 y& m% b
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]