| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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5 q1 G* V" ~4 o2 N8 W(x - a) = x - a
8 u" b1 p" G, y( b9 u% n(x - a) (x - b) = x^2 – ax – bx + ab3 g3 H) Q( T/ d# P9 \- f
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
, x! l; v& f# |9 u  ^  c(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
+ m" e9 j+ v. ?如此種推，
, c! n" e5 V  p(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???# g" i  |; @0 E0 b# 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: h8 z/ p( d) U+ M

Originally posted by Triangel at 2007-4-18 01:26 PM:
9 I+ o1 u2 e% l* C6 A( g6 {* |(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) ?* m/ Y9 L5 l/ q

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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:" E# x& T0 f; `
咁難既=.="
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* w2 |' U7 \6 g) h[ 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:
3 M/ q6 \  Z0 q. q# X  k第一個答中有獎1 X& T2 O. s4 e# y: e' c
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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:
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(x-x)= 0 ，所以答案係0，is it?

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* }1 M/ N: I9 }5 N  A# h$ Q; k  y唔似a.math題
* o" @/ l  k# x5 C: a; g9 H5 j似IQ題=.=& v' T2 \+ o; L) t4 D, ^/ |2 v

8 z1 t3 c: I* T3 G7 n/ H: p[ 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:( w; h/ d* w$ n4 V2 O5 X

  f' g7 E: ]/ i2 y6 S$ a8 c% c+ p1 V: D; B. h
(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1 E& D/ V+ n* A- g- L7 x& \/ E, |' U
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.........0 D4 U0 h6 }/ \

) M( z4 t: T# c/ W8 K. E這條問題，貼落吹水版，名副其實
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+ t" {0 k' G7 F! ~[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]