| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a+ T3 b2 x. p+ B5 e* ]( q
(x - a) (x - b) = x^2 – ax – bx + ab
/ R" W* a  ~0 e: Q! \1 ]; j(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc' @' Q4 A8 c) T# H
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 j5 o8 D1 [& K& l! F& C: L如此種推，
7 E1 o# b; [- C3 t- ^1 a; ?) ~(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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4 t' B6 f1 _  H) d2 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
: D- C5 `4 g+ [8 b(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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! o1 t. S2 Z" x7 C# y' D[ 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 Q$ p& M$ D3 u' 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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& _: f7 {# M! H) qThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:: Y9 z" T" e. ?0 t& W2 x# X) x+ T
第一個答中有獎. I' A: ^9 [0 ?, o1 _  L
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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:
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(x-x)= 0 ，所以答案係0，is it?

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4 _" _7 x' }/ X0 ]: q( A唔似a.math題3 q9 B+ Q3 _/ H, b* ~) C+ f1 ]
似IQ題=.=
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, b1 f" X* T: |% Q7 @4 L[ 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:) S2 _& X3 P& {) \( u) z' G. `' \$ X

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(x-x)= 0 ，所以答案係0，is it?

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; T, T' p) `- KBingo~

waikong

我係學校個學生會單張見過
: v& |: m7 w, b* s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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8 G8 `: \2 a, f+ \1 r; B2 C/ s6 z; u& G這條問題，貼落吹水版，名副其實, h+ i4 `+ ~6 Y. G. x3 {* H1 G
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]