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Triangel

第一個答中有獎: D" X/ D1 Q& B

* \( A! ]: f9 m(x - a) = x - a
+ H9 K7 y# n: y& B: Z2 K; l(x - a) (x - b) = x^2 – ax – bx + ab
2 a- I- k+ ~* J9 E7 X) h(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 C5 c$ t: [  I; z* x/ r(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd3 O9 ?8 d  i& W% J
如此種推，
- |* k- s" Z8 X" \9 _0 N0 U( I7 n(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; C$ l" x: y8 F2 ?  x! w, S

. ~4 V- Z+ E( A/ x5 Y- w, g[ 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:
7 R4 g( S  X; A: _# b: v( C(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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/ K+ F( ]% s5 H/ y[ 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:
1 T5 |- T% a& w" j+ m4 x+ y/ Q咁難既=.="! w2 P* S8 z2 \$ O. H# P. `8 M  y
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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" Q  k8 z8 R) {( ~& u1 i- CThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
- @- f* w. a3 V/ V% B" x第一個答中有獎/ ~6 C( C. u/ k" [1 ~
5 @2 K0 A% Y$ a# {; f* z1 t! m
(x - ...

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0 @: B  w& s/ i# ^7 a+ 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:; K+ {+ ]5 I9 e- d
6 ~/ a; s4 `, M  v/ P; w0 j9 t- Q
" R' T- G% z4 g' z* a# W
(x-x)= 0 ，所以答案係0，is it?

, x; ^, j' I8 `4 Z6 ]  ?
* R1 m$ c7 c0 @5 A- l5 B" H
$ g! m0 u, g3 N% \- v0 o- `唔似a.math題
9 }1 D* {  R: X& s/ J! X% z似IQ題=.=9 w% W  R4 ]9 e- L2 `+ c; f1 g
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[ 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:3 m5 \  X! o/ @/ y0 f+ l
1 _) H5 m$ U9 K( `+ u5 n" y

( r  P5 l5 R. V: J3 T; J" `(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
9 ?" V) v3 j" N( T7 J' E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 U' q* e- x. b8 r# f# \* r

% a! K- j8 i7 J; S這條問題，貼落吹水版，名副其實9 t$ b% k. B9 j  _' z. R, r

: P9 y- E5 d/ J* ]3 \  s[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]