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Triangel

第一個答中有獎* `: }' Q( J1 l4 C2 S
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(x - a) = x - a" v) G$ [) P$ J( m& J- @: j
(x - a) (x - b) = x^2 – ax – bx + ab
2 Y& K' t% N" t+ j(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
. J7 a+ E/ a8 m  K# W(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. m( B) E5 ?0 g3 w3 v! Z1 e  T  B4 w( j如此種推，( [$ T- J' a' m% q: `
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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6 X' ]' V0 R: d9 {9 f. _# X

Originally posted by Triangel at 2007-4-18 01:26 PM:' n1 _) G( j# n$ T$ X) ?
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) S6 o! t& L2 x4 P( O, x

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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:
* n0 s) B+ e$ Q8 P# |/ S咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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: ^% G  F, b# v; j7 r) `Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
4 L1 w3 @% _! [4 u9 c第一個答中有獎# F: ^6 c' x/ B! ]# j9 j) e
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(x - ...

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(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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& a+ N1 n- s3 X" {# L/ Z# O/ }0 @* W1 R(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
# _" l% j' x# N: l0 D  A6 ~8 N, {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:5 f$ n0 J* b# k2 E- a: G1 q$ B
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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# a/ i6 R5 S+ g! h/ o
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.........4 x+ y5 t; ]% A

; k  {. _" b0 E# D+ b# q( [這條問題，貼落吹水版，名副其實: P% x6 B9 O7 N" T8 Q

! K2 k9 n  G  T4 b/ F8 y$ Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]