| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎3 t/ F) u' M( J& @" Y/ }) E
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(x - a) = x - a
6 y$ n; p# r: N  a( L8 n; g& I(x - a) (x - b) = x^2 – ax – bx + ab
, c0 A7 r6 h7 F! f+ W(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  e. ]7 v2 `7 I, G6 n8 Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
( Y1 i& Z/ g1 z# K如此種推，
0 \7 ^/ Q3 M) X(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
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Originally posted by Triangel at 2007-4-18 01:26 PM:: v2 |" V/ c$ }' K! [/ M# n
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* `% y1 a4 |2 R, Y# z' p

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8 \: G' [4 d+ V- k! p; u[ 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:5 ^) M: t  A! C, F" J
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:  l4 K4 g0 H# F# i$ d
第一個答中有獎
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+ L0 I! Z" L& h8 h( d* m) j(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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  k* u1 U/ U% h  w' ?/ c9 ^( _(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
" r0 b! P  Q# E# b0 R似IQ題=.=1 b) ]* h( w) @. h( c) J4 l$ W& p

' K( L9 Z& a" {1 U7 v0 n7 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:8 |1 B6 W  n; h4 l  }0 O
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+ q  y% |# n& k! Y$ @(x-x)= 0 ，所以答案係0，is it?

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& E3 A* M$ X8 _* TBingo~

waikong

我係學校個學生會單張見過9 {9 H9 _3 I4 a: v
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.........3 m1 l1 `9 K$ q0 E7 ^* J

  g. v. P2 H5 Z9 I5 l$ K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 ]