| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎5 u2 C8 @# W4 q/ l: W- L5 A0 y

5 D) t& Y1 m  A+ v; m* q(x - a) = x - a
9 B) T+ f/ q* P& w. p& J- B(x - a) (x - b) = x^2 – ax – bx + ab
4 w: ]1 _# F0 G% e(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
9 |$ M  `( k7 \/ ?, G5 \/ B(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. _6 W) X% {7 x2 X如此種推，4 Z# {4 {8 J, o+ i' G' n- A, _8 i& U
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???& h5 b4 j) T6 g1 A9 @

# ?* U, f% _/ g[ 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:* O/ d8 ?$ l9 u1 a$ w) t
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc2 W" ]& S7 \9 G1 B% r
+ A- @4 t6 k  b

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& T7 f: d/ S# `7 _7 x[ 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 C  w# l- Y) b1 U
咁難既=.="; A) ^5 ?2 g5 O  Q& D, Z

; |$ ^. Z- f' n) l- X# ^[ 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 \) g; q; x+ U- n6 E
第一個答中有獎
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(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:' E6 `/ G& Y+ D

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(x-x)= 0 ，所以答案係0，is it?

2 P6 K6 Y) f7 T3 P2 W$ c9 l# I

0 {# A( @3 @+ R. r) _/ c
0 |) S; o# v- ~* L. A唔似a.math題; k3 Z! r5 y5 c5 F
似IQ題=.=  j& V; V- U9 o; A, Q4 ^/ t! H

- Q) r  n6 q$ {% O# J- ^" z3 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:
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# k' o" z& B& x. v6 K8 T(x-x)= 0 ，所以答案係0，is it?

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8 L( i6 |: g1 aBingo~

waikong

我係學校個學生會單張見過
* ?) ?1 Z, R6 d' o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.........) V$ H5 ]" v9 _' X( X$ q

% p( l( `9 D* Q" E7 O: w# M; D這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]