| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎' |" D( y" ]# _9 l

3 W$ s$ E* }( y; J(x - a) = x - a
/ ~, ?% P0 q, U, f9 m% P* l" R& u4 ]3 y(x - a) (x - b) = x^2 – ax – bx + ab
+ g$ g  G5 m( X2 w' t(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
# c1 [# K5 \- D(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd& A% r- k: `$ }+ f% w9 @/ Q, K; e
如此種推，
0 d" g4 o; V  m% E- }) u* M4 e(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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: ^; Z! U8 s: Q- M# _) q3 z: Q[ 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:4 S6 |2 Z  B7 E/ l3 o& a6 {" z) I
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc9 k. U3 E4 {7 C1 U1 ~' t/ e. F  r, l

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: C( g4 L: ^8 R5 [5 A[ 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:
4 F8 }7 M, w* y, V咁難既=.=") Y; t, S. c* t% L7 W+ o
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[ 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:6 }/ i% P1 t; y7 N, s; o# z
第一個答中有獎" T- }. q; x6 f! z. D+ k/ A8 v. F

1 W2 P/ P( T1 ]# B(x - ...

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+ s- ?$ O3 U6 k) W- H(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 P6 W! M1 {5 |7 _

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6 o1 @! p: L* q! H6 x(x-x)= 0 ，所以答案係0，is it?

0 _) }4 `+ B% C$ s4 S4 A' ~0 X3 q# q2 v3 a" f# N$ g

7 K5 H" o0 b: Z% k唔似a.math題
5 I) @0 r, t6 O# b. B2 D# w似IQ題=.=/ n+ A- l" p' t' }" ^5 C

- ?. w0 G! G. x+ a; 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:7 T; V4 `& z5 V& \" ^4 e7 Z
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(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
6 r0 G  ^: Y1 r$ ^; s# x  H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.........+ F1 `! X) Q- [1 A
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這條問題，貼落吹水版，名副其實
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0 F$ W8 \7 S- J[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]