| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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: u# p7 o5 e( ?1 l(x - a) = x - a5 U, E7 L# E$ S( X) @
(x - a) (x - b) = x^2 – ax – bx + ab
- j7 p* \, A! i, {( b/ c(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
* Q8 M) X0 Z9 j$ a0 Q(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 ?3 o. m4 _( x+ N. m% R9 X如此種推，- \) @$ \/ |5 F
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 n! O/ Y4 x, ?& R' o9 T: M1 [. L

4 b. [: D% ]9 \- N, z5 S: i1 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0 P' l" s2 ?8 d6 V* O7 ?2 `) Z

Originally posted by Triangel at 2007-4-18 01:26 PM:
& i* V8 u' @- W2 L- Q(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:
' x+ D1 b8 K. }: o咁難既=.="7 y$ J* A7 L& H
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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:1 I- C  c# ~# d4 K
第一個答中有獎6 x: }1 Z3 o5 R+ S2 W6 i

* c! k" s& r( B( N& c- ~(x - ...

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# ^1 {# s. R  _* Y1 m  `  l(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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0 _+ C, J$ d1 k; A/ c(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題* m! e) L+ @3 @+ ~' X
似IQ題=.=( q$ [% @. ~: n4 p' B; V: [6 L* f
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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:4 l/ L8 E2 O6 ?3 j
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(x-x)= 0 ，所以答案係0，is it?

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% h2 M/ i% k' W! V  w+ [' dBingo~

waikong

我係學校個學生會單張見過
9 i0 ~! g- p% _3 P2 t* ?' Q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.........
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  D: c+ ]6 [; m6 t  R1 O7 W這條問題，貼落吹水版，名副其實. A% w( t% K9 n5 J2 b( g- d& O
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]