| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
. E# h- W/ B3 S/ |(x - a) (x - b) = x^2 – ax – bx + ab
+ ]2 s2 ^) X- a6 {* {: D: L(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ q' V4 v# V3 i+ `9 g
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
' a1 `4 A9 t$ _, f2 y5 v, W) f如此種推，/ f  N% k& a+ T# s' ?! R
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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2 \9 W6 _1 {. @! k: M) M0 m[ 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' ?5 p8 x8 w2 G& r

Originally posted by Triangel at 2007-4-18 01:26 PM:2 @) U- [& e1 m
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc% {; N# F( G! e, J) d
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' i: O3 X, _; f2 p3 E- H[ 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:
6 |. s$ }) e  F) C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:
  e: x* S% H$ V0 V4 w* ^) A8 d+ x第一個答中有獎4 r# S5 `& ^! @

  n* D& w0 I! F2 x3 W(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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唔似a.math題3 I6 L% k# A* \: }
似IQ題=.=! H8 \: ?3 W* M2 n* ~+ H

$ d! I3 y9 t1 f  J- o6 t[ 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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  _: \1 ~9 r8 ]: i+ o3 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
1 J5 @. d2 b9 E5 p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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) x/ b7 U5 v  C/ u: n$ I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 ]