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Triangel

第一個答中有獎
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(x - a) = x - a
$ d6 c- k* ?, j(x - a) (x - b) = x^2 – ax – bx + ab# a6 [& B4 w$ h" E  _& X
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
" e: B) k! n8 a& x(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd  P. \1 y( T% C: R
如此種推，2 c9 x# @2 {/ l2 [" n" a  H8 E& U
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 Z- y) p5 b  C/ E4 R. e# c( }

& h' P4 e5 }; [( A! a: \[ 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' h$ }9 Y0 m, K$ ~- k" B

Originally posted by Triangel at 2007-4-18 01:26 PM:
( i6 F: ^9 S( r! {# I: ]: Z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc8 O2 g* {3 A5 w- `0 z+ N* i+ P

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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:& D7 [5 b( [; r; C; A6 m" Z$ D
咁難既=.="  F# Z! y7 l7 e* D$ u- R
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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:/ [' k& s4 j& N) ]9 I
第一個答中有獎
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' p9 ]/ W& D  S7 ^(x - ...

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; g* u+ _' m8 ^1 y& t4 ?(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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% w7 _! D4 D( F3 ~( B% ?9 L( ~% k: G(x-x)= 0 ，所以答案係0，is it?

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. @9 G7 M- G2 u唔似a.math題3 A9 g( f+ F$ n! M% I" K" P! P
似IQ題=.=
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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:- R0 i8 A0 D- p$ @. a# K; s- _+ d

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2 u* A0 }) V% d1 X(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
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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.........2 i" P6 h% ^, N" M+ `
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這條問題，貼落吹水版，名副其實
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, \: ?4 i% z  T2 f, N: z8 b[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]