| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎/ s8 c8 S2 L! ?: C9 D

+ R. W* d( L8 S5 d. q(x - a) = x - a
; u5 V$ {, g) T; o! R4 H4 ?(x - a) (x - b) = x^2 – ax – bx + ab1 E3 w+ h" [  y, m" C/ m$ o4 d6 M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc- J, Q3 \) V$ s6 e3 V; x: H4 p6 {
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
; t7 Z; X( {5 U如此種推，
6 a. b( P. ^1 R(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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$ V( G5 T0 e& n) Y1 p1 l! V, |( s[ 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:
$ J7 i* W1 J* ]  j; u$ Q% W# n(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc, \0 @% r& {$ p+ R9 }/ ?# u+ U
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* O4 ?" Q# x1 W: G[ 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:
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; x# K, x$ V1 Z4 {" @: }6 bThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:3 y1 d. P$ ?( G; V
第一個答中有獎) K4 }# |' w+ B( t. d
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(x - ...

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9 o) W" K9 u2 x. R# `" G(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:3 T, c- K) u: X# V: p' B6 f* D8 J& N% a5 @
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6 {2 x5 u) @' c6 o* {1 f6 P: Q
(x-x)= 0 ，所以答案係0，is it?

( k6 t: o! J) N! c# w: H5 N2 f0 B2 v+ k3 i' G3 `: |7 H/ |/ P* X: k

$ X. \! L" i' D# }( f" \3 j唔似a.math題6 x) O+ g# P. J& c/ z% ~# c
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:  a1 r) ?" ^( V( y" Z
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) ^7 k# V- Q# Q1 K7 {/ u$ ^3 A
(x-x)= 0 ，所以答案係0，is it?

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) @9 {' o5 p8 }Bingo~

waikong

我係學校個學生會單張見過1 _/ \+ _4 s7 l* w1 v* ]
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
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]