| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎. x$ g9 }" |$ s9 P$ ^
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(x - a) = x - a" q8 A& X2 _, n7 e3 L' T0 U
(x - a) (x - b) = x^2 – ax – bx + ab1 ?0 ^. f$ F+ T) |8 W- p
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
" k% S2 V( G# N) Y( q(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% C, V. ~( a3 T* E: N如此種推，+ ?6 b0 b0 |  l) K) A5 t& n
(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' C0 ^  T4 t3 b# Y) ]" v, ?

Originally posted by Triangel at 2007-4-18 01:26 PM:# M% V( T( G, e
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc. n+ P8 s5 T) X, H( U
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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:) a+ r4 V( f7 E9 W) ]6 g5 A) k
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:) {' O0 g2 {- v  Q- c$ u
第一個答中有獎) M' r5 J' p( e' |  Q
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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 y7 C4 ]5 _. O* p' H: I0 Z4 a

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(x-x)= 0 ，所以答案係0，is it?

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1 c7 l' n  E& x% s- u唔似a.math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:1 z1 h' R  n- q( l0 x

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# u( E' _, w9 E, a$ `" I3 a(x-x)= 0 ，所以答案係0，is it?

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- i1 I. B1 ]5 r2 U& ^* T% M8 Q# oBingo~

waikong

我係學校個學生會單張見過
  @" r' Y* K0 X6 \* 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.........8 f( _! a9 |* h) B
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這條問題，貼落吹水版，名副其實
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1 U. g: A5 z% e  F+ E# r[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]