| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎1 L1 p$ N  ~, m& z

# ?- t+ _1 H/ [/ }! ?. U% M( |(x - a) = x - a
; T" {5 s& i* R0 ^% ]8 A(x - a) (x - b) = x^2 – ax – bx + ab) K: k% c' W4 Q+ |: c9 z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc) I( s3 ]+ G- P$ u2 L
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
7 v7 a* W% O$ Q  l% }/ @, a+ D如此種推，
7 h* x/ Q! K3 ]# D% O(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???5 l, V8 J4 a( G3 [0 E0 r1 ]

: c/ L/ Z- W  T3 n; a( }4 c[ 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
. j: n- }' Z. s# _: G1 E1 [4 G8 C4 g# o

Originally posted by Triangel at 2007-4-18 01:26 PM:/ |; c* {7 ]2 P  J  ~/ L
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
) r" [( Z4 _8 V: t5 _/ h( X3 h# Y4 z

( ?$ w7 [+ k+ A" Q
( N' q6 a3 s8 R+ \/ Q+ y* |, d( O1 N
[ 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 N! D; d" C8 i4 j1 ?
咁難既=.="
: ^/ }( c# L/ i/ @
* j, C. B  v) _/ @* |[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

" u/ q( p/ P+ U$ n- C- y/ ~( J9 q
% m8 [& C/ ^5 N+ m& n" lThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
, I2 I% z+ Q8 j5 B5 t: T  j  u/ h第一個答中有獎+ H7 y/ g. u' h
+ t- ]) s. Y% m% V2 q' }/ F
(x - ...

) e2 w# Y3 z5 ?: F2 X$ ]
; Q3 j/ e  d- |: j
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:7 l. g5 ~1 C% [4 M! ?
' g% A7 v# B! s) @2 d8 H
0 X3 G) z) v3 Y
(x-x)= 0 ，所以答案係0，is it?

7 T) F4 u  H* `# k( B; {/ j" H/ D* {& U+ f# x

( }' i- {. s% a9 s唔似a.math題
* s, S0 ?# f- T$ A* P" R+ {似IQ題=.=
! C  H- ]6 l3 i  R" @' K
7 K4 M% p$ X0 A, R4 V' 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:
* r% X# e& v% y4 H! d( g% y
9 A$ s: @8 ?% H- K0 P6 U2 P$ }0 F; O) Q
(x-x)= 0 ，所以答案係0，is it?

) w* W0 V7 m1 _0 |  x, |% z8 `# i' y2 w4 e
Bingo~

waikong

我係學校個學生會單張見過
" x7 B& y! o: G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.........
7 c! V+ ~1 Y8 U- r
/ `( m6 F! O* D- D這條問題，貼落吹水版，名副其實
( y3 o0 T7 J2 \- o% d/ H
; ]$ I* u) N/ F9 ^[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]