| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a7 G; r9 @# R" q: L0 ~* u0 ?
(x - a) (x - b) = x^2 – ax – bx + ab/ x! [  ^0 ?+ j
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
1 d, T4 i+ H* I(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
3 m/ f, T& Q' n5 q0 X如此種推，
- w3 ^( I9 R! j4 ?5 n" ]& {" W) k(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 l( y+ V& t  j6 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% B# e3 ]) ^5 P5 r' I

Originally posted by Triangel at 2007-4-18 01:26 PM:) P! J3 a  e& v3 k& g6 U
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc" N2 Q0 V) `% b5 m3 }
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7 y  b% ~3 Y6 w" S+ X[ 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:
0 y) [7 C9 [' H  p" x咁難既=.="
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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:
( r  s: f% E7 c+ L: Q7 j* t第一個答中有獎5 X/ B5 Y* Y; ~; J6 s) Z) i
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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:. V5 K6 M  S9 u
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題1 a% F9 c5 V6 @3 W: ~  n
似IQ題=.=# P" Z, w5 Z% q+ f3 N

. B6 A1 D8 l; w' d[ 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:4 E- H" N  A/ s9 o2 Y( |7 @

$ T- y3 T/ p  O! E9 ]
& X2 D2 W0 i( ?(x-x)= 0 ，所以答案係0，is it?

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* ]7 I# u/ [, W9 aBingo~

waikong

我係學校個學生會單張見過
; j3 S7 q9 W1 U; N3 j# c9 {7 e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 ]