| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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: t: g, y0 Q+ C& j(x - a) = x - a
, k% w3 w  K2 M0 d( T, @(x - a) (x - b) = x^2 – ax – bx + ab" c5 B9 ]/ m' j& U
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
. n7 @9 a, ^6 O1 G) g(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
; {4 x0 P0 F1 X# Q) v6 P" G9 \如此種推，. W2 |: f, E( o2 _. U( D
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???/ A3 f/ n8 |3 g  Q7 c6 y' i1 _" U
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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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
) s( ]- x0 s2 J' e3 l" h* d' C(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc, d: P. l4 [4 K0 N: w7 F
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* n+ Y% X' C( j& `, X% Q3 C: u[ 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:* G9 B4 e! Z+ O$ r. ?- S
咁難既=.="' F2 w+ j& Y; v

3 N% _7 e; `7 z- V[ 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:3 h5 ]1 d# q$ v) V6 H
第一個答中有獎
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1 {3 }! X9 W/ c' e  j6 E9 g(x - ...

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" ?' L) K# z* c" t9 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:- Z: j: p$ j( t" w$ m; C- X" f! O

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( w4 Y( U5 O( p6 m4 n( u0 `(x-x)= 0 ，所以答案係0，is it?

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+ ?" y) u# r( k1 z. ^& o5 M唔似a.math題
+ r: W' O- |4 k5 S似IQ題=.=& y* ]. g! W0 A' p
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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:. m3 G4 Y& j* T# N6 a7 |( L
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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
0 @+ f2 Y+ F, c: ^1 U( `  |. 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.........' g) {* d6 e4 I/ D+ {
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]