| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a- v+ C2 `" K# S4 k4 y, [
(x - a) (x - b) = x^2 – ax – bx + ab+ v& z3 j  h( b- m/ L
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 S5 b, u* F! K(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 ]( \* J( r1 \+ X
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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, A' s$ A7 ^2 I' a8 y

Originally posted by Triangel at 2007-4-18 01:26 PM:1 [5 b4 f  E- o! g& Z. S. l
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc2 T7 A4 q* d) I7 v

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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:
  U$ H( \0 b; K3 X, n1 J! v; @咁難既=.="
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; u( _- r+ k$ [3 ~2 I! G[ 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:* U+ c5 E5 {8 w+ {+ t: i6 A; i/ ^/ @( u
第一個答中有獎
  R4 S7 e7 d/ `/ j) A4 k
/ k3 D& w4 O5 u' p(x - ...

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" o7 f& x1 {9 C% g: m0 g  G3 K) P* e" S(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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2 Z  ?, Q! [' }8 A# [(x-x)= 0 ，所以答案係0，is it?

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; t+ Z1 h9 O6 a# T$ A6 u唔似a.math題+ N2 h4 s( T( k0 Z
似IQ題=.=9 @% ~3 f2 B7 y2 J6 V/ g: q9 K' a

) `+ B3 G0 T0 z% m0 y: ~[ 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:6 m' i; Q3 D3 d( p6 B  n+ q0 J7 K4 i
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" p9 T: y- s3 R7 {/ T4 K" j5 {(x-x)= 0 ，所以答案係0，is it?

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# Z" w  Z/ ~0 }% F1 dBingo~

waikong

我係學校個學生會單張見過
* B+ U0 A" ]) J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.........- }7 }0 l& C0 l8 f; {- d

' [. ^. c; F3 _* u1 h這條問題，貼落吹水版，名副其實
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( R; J# T0 ]7 C$ ^[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]