| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
- t+ f, X% E7 _" I$ W, i* d0 W3 e1 e(x - a) (x - b) = x^2 – ax – bx + ab. X/ \" T. S8 x& \
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc5 h3 q! F- b. V1 I6 X
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
7 ]. t6 [' L, i如此種推，
6 g# I$ M0 J* j. m8 A(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# {2 d* I3 k* J+ J' B, b9 [

Originally posted by Triangel at 2007-4-18 01:26 PM:, b7 ]  B# M1 V: z2 W/ V$ `
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc/ H; Z: I$ B& J

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6 @$ E+ F! @+ p' r[ 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:
/ H/ @& A; F' }. o8 s+ Y6 A咁難既=.="$ t0 l: b# t8 k0 k. t- j6 Z: q
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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 \; [# Q- z" z7 `+ x7 o
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:7 W3 b, {3 B( r- n" N8 G  g6 M
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
# l7 G; M' Y; V1 p似IQ題=.=$ O) k0 W) b5 p/ \8 _

" G6 ^$ q  }7 o8 K3 X% c[ 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:& g" P6 f  w1 B% D# t* t6 r0 v& [8 M% f

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! J! {% q; u# K" ?- {9 E(x-x)= 0 ，所以答案係0，is it?

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8 w, U8 Q' B* p" fBingo~

waikong

我係學校個學生會單張見過' p* W8 M% Z6 t- s
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: H, m2 m# }# S) X! g

* _. G. F$ D1 E4 M2 Z# [[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]