| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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$ J, X2 ?& S# R(x - a) = x - a
* F9 R( G) Z+ s! P6 R0 C, g2 H(x - a) (x - b) = x^2 – ax – bx + ab
$ p3 O2 t( \2 E8 O. ~8 L. K5 Z3 e(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
' `2 u% J2 Z/ @& N  J7 z- M' L(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd4 P( j% x/ o4 c
如此種推，
6 \4 m7 n# {: [3 q- H- h' T4 ?(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; L, Z6 w$ b9 P" j
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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4 @$ [' r+ ~! T

Originally posted by Triangel at 2007-4-18 01:26 PM:
  h4 F) r" l" c$ ^7 N# O0 h3 W& h(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc5 @' ]8 p0 W$ v( ~6 _6 u

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' \7 i3 Q0 C4 |[ 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:
3 s# K7 u: {  [- M7 P* P, G咁難既=.="* H, |$ {  `& E
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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:
# G& l7 W/ l8 L+ z" a第一個答中有獎
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+ s3 s& A1 D8 x- Y$ C& A9 K/ P* {(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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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題  m* w6 J. D; K3 N9 J, ]* `% k
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:  a" M" w6 c- L( O$ f4 h

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(x-x)= 0 ，所以答案係0，is it?

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9 ?4 w: l: |$ _% c4 b8 kBingo~

waikong

我係學校個學生會單張見過; K$ t+ l: o- H5 m3 j9 ~" _2 P* 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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這條問題，貼落吹水版，名副其實! e2 T- `: ~) T! F

. P  F+ q, V7 \# U[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]