| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
: w- w4 ?# \4 |+ g# ]( @0 K2 D5 i1 g(x - a) (x - b) = x^2 – ax – bx + ab/ b6 E, g' l) K8 |  G: w/ v9 j
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
( R$ }7 m: j5 _* P, x; x9 O(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
  `; N  P0 d1 B# ~- r  d如此種推，2 H2 i% q- x# `
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 r8 `- C& I; X' e
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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* b1 }" Y- w# u4 e* p$ W

Originally posted by Triangel at 2007-4-18 01:26 PM:
* F1 S" ]! m* J(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:2 R9 {! Z' a7 L, ~
咁難既=.="! v2 M$ p6 m7 z& E# L! ]8 V

- j! b) Y$ M: S+ Z6 l5 d[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* |( e/ m# u6 a6 @Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
* u7 K' [4 O! `. I0 u7 d1 q/ b第一個答中有獎
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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:! V7 n( s, w4 i  c. ?4 ^

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, z# E: L2 p3 K4 k2 K6 D(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
5 y! e5 P, I0 h+ H5 T# N/ c: b似IQ題=.=
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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:& h- v3 C# k1 B" Y8 z
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) U& w( ?( [% O  P(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
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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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0 ?- R4 M- l- s0 m3 y這條問題，貼落吹水版，名副其實5 g1 H+ ^- N# Y3 S# b4 ^# K: ^0 g$ E
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]