| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎) F) C4 k4 K; A" L% t
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(x - a) = x - a3 k2 {) X8 h- t2 ?  p0 |" j5 D( V" v
(x - a) (x - b) = x^2 – ax – bx + ab
) }7 N: v5 a$ }6 N(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
6 z* ]  |6 t+ {6 Q6 ?(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 i! \: G# ~0 x/ y
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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- r5 G, w' Y4 W  ?1 J8 u) s

Originally posted by Triangel at 2007-4-18 01:26 PM:
& u6 [  {6 E* Z$ r4 R7 M(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc, a4 A: V$ Y; Z% R1 y" b' s$ f& U

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( @; o5 A2 y; a6 v3 l. c7 f/ F. F[ 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:
$ ?3 ]6 C; S* D! ]& w4 K咁難既=.="% I$ Y+ T- i; C: _; q+ p3 K, C2 l

( [+ G( C, I, t; N/ N[ 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:6 \4 j0 i5 f  Q8 {$ k  Y
第一個答中有獎
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, X$ \; g  `6 P0 I& t7 n(x - ...

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4 x" f" E. `4 R$ c+ e(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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; R3 d% X+ O# V# y" _4 |+ M(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題% W0 V. X' b1 l( M
似IQ題=.=% F( I( t. o9 }

2 x5 [  F/ c5 n5 A+ n5 j[ 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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Bingo~

waikong

我係學校個學生會單張見過
7 O3 B, g! L0 p4 ], k" f/ Z' ^8 w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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這條問題，貼落吹水版，名副其實/ Q. N5 s" ?1 }) N: i) D  h! d/ G. k
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]