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Triangel

第一個答中有獎7 I: R/ u6 ?, E  A) V
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(x - a) = x - a1 o0 d# M6 m, p9 d' z4 F/ I7 _* T
(x - a) (x - b) = x^2 – ax – bx + ab
) j& O6 J: {( ^, Y; ^+ C" ~: V9 k(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
1 }: u4 F+ n5 x, c4 Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
5 W4 k' @8 ~. ]2 e如此種推，
( c" ~0 R* H, q8 i4 a- P# k(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  I  v9 G2 _6 q

" ?7 S4 q  [% h6 v[ 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3 B& Z; P( n, p; ^% d

Originally posted by Triangel at 2007-4-18 01:26 PM:( c- s2 ~) x3 t- I6 ]
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc; \6 i+ `' z" Z+ ?3 t

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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:" J# O& c- S/ Q+ N4 Q& b1 }
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:2 m) T7 |. }; Z$ _' e. @
第一個答中有獎
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& R- _+ @4 d3 L' Y(x - ...

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6 m6 N. ^; k* ]- m7 N(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:6 H7 u7 a# A( m6 {- K
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題- }$ X/ ]" Y7 q" Q' c
似IQ題=.=
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0 c9 A4 t+ B5 X/ H; r  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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(x-x)= 0 ，所以答案係0，is it?

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. C5 ?  J5 I! p, J/ L! R& ZBingo~

waikong

我係學校個學生會單張見過  B0 f3 j( w% }3 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.........4 H" K- e) \0 s$ U

% \+ [% Q0 s6 R4 g: e7 U* q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 ]