| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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" M  ?" R- V9 |1 \5 j, T4 f(x - a) = x - a% N7 v: t+ n  [3 Z1 u) W9 \
(x - a) (x - b) = x^2 – ax – bx + ab
+ S: q  P/ |* n) k0 w4 l( B9 [(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc& _2 q9 O1 T* O& K. e
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
! X; a8 w+ b' F& P( v如此種推，- S* v0 j& G0 X
(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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
8 T9 R1 B5 v6 H# H9 K(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* o$ n# w3 ?; r: e
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/ _& v" c; s' z+ ~[ 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:- L* S8 r' ^( h& D) F  A
咁難既=.="! L7 b( ~% H' Q4 ~
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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:
8 a+ B% o7 U% w9 w! W" h8 o& ^第一個答中有獎- U" \- K0 P5 n& U% \$ y& r; X% ]! }

; \- ^! l% O6 T* L# u( C" @(x - ...

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+ n* ?0 O7 {4 ^7 k5 [1 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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(x-x)= 0 ，所以答案係0，is it?

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4 w5 z7 S( k1 ]  @唔似a.math題2 d  V( {3 m* u* R6 P: ]0 b0 L0 i
似IQ題=.=4 U# d2 ?7 I. g. O# B$ g4 }
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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 v1 S/ h& L2 \4 S7 j. T

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" I+ j/ _& H. ](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
, G% P& i! w0 U5 `( ?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.........6 Q$ W, C% }7 ?: F! E" N. z# \& S: [
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這條問題，貼落吹水版，名副其實
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- c' ^1 I$ L# \3 R- c[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]