| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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6 v3 |0 X1 h6 C3 X4 k' }7 @$ k(x - a) = x - a
) S/ i' _0 Y5 e" Z) s1 d- e' ?(x - a) (x - b) = x^2 – ax – bx + ab7 P2 q( }+ }! v3 d: G9 ?) ^
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc( q6 I: m% O$ e$ Y7 B
(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) = ???+ h) L+ B% m  T. s% K( J
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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9 n6 c0 l0 T) M+ p0 o  G

Originally posted by Triangel at 2007-4-18 01:26 PM:$ |3 a" ~+ \5 i# Y( I6 W+ f* v$ O
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) w. l% e  B5 b6 k

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) g( R7 o* F. U6 z) I[ 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:
/ v2 A6 ^+ I% W+ t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:4 ?+ U% t% D6 q  l$ g: ]* v
第一個答中有獎$ e+ M- n( e6 M% {* \3 m

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$ y( X$ X; q; D# F(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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4 {: }- F! p8 h3 y(x-x)= 0 ，所以答案係0，is it?

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) k& e, q1 D' X4 u' s' G" j唔似a.math題
6 ?  b/ m1 I- O3 @' |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:
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(x-x)= 0 ，所以答案係0，is it?

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2 a& d9 K3 @5 x4 V1 n* WBingo~

waikong

我係學校個學生會單張見過4 _# j% s5 Z4 }
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.........% D  p! J9 }/ N. ?
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這條問題，貼落吹水版，名副其實" k* n0 c# S/ m( Y) n6 t
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]