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Triangel

第一個答中有獎
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(x - a) = x - a
6 A  p( F2 v' e+ V(x - a) (x - b) = x^2 – ax – bx + ab
* m+ r$ e: g/ {" |) M  b- Y8 C(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc7 [8 z* g3 r' S
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
+ j+ t8 x7 J7 ^如此種推，
5 ?' l( [9 p, q* F% g! ]/ v9 O0 Y5 w4 b(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0 {4 \: O0 C2 T6 y  g+ v

Originally posted by Triangel at 2007-4-18 01:26 PM:: P% B4 g+ ^% F
(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:
& C, X8 \7 v1 P. z( c咁難既=.="
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* u( w6 G& H9 [[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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, t6 k  A  l2 s0 x% F1 x* H9 |1 IThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
# E3 X7 f8 y+ j8 o第一個答中有獎
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9 M2 w  Y* f& W. p(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 H- k. c2 a1 U& y# n& b' R! b

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(x-x)= 0 ，所以答案係0，is it?

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! E( Y6 {3 N$ ^$ l& W# G唔似a.math題4 s, H7 [9 ~* e2 ?5 Y6 D
似IQ題=.=4 |9 o3 O; i' n* L

+ I7 b5 |1 S0 s: H  R' Z[ 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:8 Q2 u% k5 U/ A: ^7 [

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) o  U, F# n+ h6 L9 e% c(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" h3 C$ t8 b" q7 Z, S+ a
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3 n! o* E; X1 Z! c3 F7 ]9 j

1 o; S7 ^0 _" t! n[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]