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Triangel

第一個答中有獎
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  e  @" _! ]0 R) N- }! D  }+ o(x - a) = x - a
( v7 p5 U& n# [7 }2 [(x - a) (x - b) = x^2 – ax – bx + ab6 h6 N) M* [4 N4 {! A
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc5 B8 F4 v( t) @# v  g0 T: O
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 A$ k2 v" e/ m2 I" B' x% i如此種推，2 v& _$ h, U% c8 s) x+ R) i" X) K& B
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???1 a/ y, l7 @! F+ U
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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$ J* i9 p4 \3 T% Q4 }/ [

Originally posted by Triangel at 2007-4-18 01:26 PM:
! t( |8 ?- m  ?! {2 w2 \(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:
$ D' t$ T- p( B咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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- v' {* c+ S% I& K2 }- c/ UThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:! a/ Y* _1 e- T
第一個答中有獎1 u8 O# p, o3 |9 e
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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 E- b* C& D0 @8 n1 e- t3 z# b

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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
$ x* ^. R* {0 V0 t似IQ題=.=2 C' M1 O) O4 \: Q
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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:
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(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
' |- q3 |. j2 b& U$ r; Y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 ]