| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎4 v! e3 g% w' y+ T0 A4 y5 @
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(x - a) = x - a
2 Q5 c( ], g: x; H$ g(x - a) (x - b) = x^2 – ax – bx + ab
' T$ J  ?$ \4 a! @1 O  u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
; O( q; w" M: Z  P/ ]" z+ r(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd  ?  L) b& z( u
如此種推，. i9 A; ]! C5 F' z3 u, I/ ^, |
(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3 q1 X  k3 i4 ^0 M# R# w

Originally posted by Triangel at 2007-4-18 01:26 PM:
; d. c/ ^" v) @(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:
' U/ W0 w! h9 O' `: J1 \3 F咁難既=.="! P0 S1 J9 D. n/ q0 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:
* Z% ?1 a. I3 T$ a第一個答中有獎; J" R+ \4 y1 y( r# r. c

8 F4 _/ J" t0 X( l( M$ G(x - ...

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5 X, b- A. v; f- {(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:' ?( N1 n- f+ d1 B$ J& l: l' S
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( F$ A" w4 L, d: V0 E3 q+ M& X(x-x)= 0 ，所以答案係0，is it?

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1 N  c0 R* `, ^2 b; o) _9 v1 d唔似a.math題
2 n% @9 ]- K1 B+ C7 c& Q$ J6 ^似IQ題=.=2 y. `6 q7 q) _8 w- M/ A. h0 c

" d+ V0 t( G3 u* Q& s[ 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:% n4 \! T2 i% P" ?/ ~. q2 {9 M) N
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' W) r/ N( J# E1 O; i(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 y' U; _& z: G3 d* N  G& H5 P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.........! O3 [2 h& D( p0 \1 y& P! P
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這條問題，貼落吹水版，名副其實
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/ a: n6 L+ g1 x[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]