| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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8 _4 ?7 U& x2 J6 ~(x - a) = x - a
5 ]2 m; K# a# S' Z; G(x - a) (x - b) = x^2 – ax – bx + ab2 x) x" I% Y: n# _' P
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
4 f, Y! ?, I: G(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
& d9 z& B$ H2 d; O- ]2 F如此種推，
) }6 }3 P& |. G9 n0 o+ x; @(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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9 U% e4 T2 {: x8 K& D, t& c. U[ 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" t/ v1 S; D1 \+ {  }' i

Originally posted by Triangel at 2007-4-18 01:26 PM:
& A4 V2 M9 Q5 `) A& A(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc- ^, O+ F& Y/ }
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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:9 }2 _8 j$ d3 B6 g3 Z- c
咁難既=.="& s, Z5 e; S4 J0 z7 O
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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7 y3 I4 U+ F* F! c5 g( f( rThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:. H& n8 j5 q4 J# {# i8 `
第一個答中有獎2 Y0 J7 N* x, p3 `) a  r
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(x - ...

  l, _& J6 h3 Z. _' Z

* A2 [9 M3 C' k) W  [9 J(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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+ a5 G% `3 e8 x+ B" G5 [$ O7 \) h% e3 ~' w: A
(x-x)= 0 ，所以答案係0，is it?

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! Y+ x% v/ y/ [* p唔似a.math題4 C' U" r7 o0 E' A; L/ u, O! p
似IQ題=.=8 [& R$ K2 h3 a) I# Z

' V# P5 G' M' o5 b[ 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:. d* |6 J. f* ~" p1 z; ?! m
- S1 U4 I, E- S2 J
% M& z) \. [, I
(x-x)= 0 ，所以答案係0，is it?

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$ n5 {7 K/ g3 |& J  K: M7 Z: PBingo~

waikong

我係學校個學生會單張見過
2 k5 {! R1 Y8 a$ J- b& I6 }" Z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.........
1 k. e3 F' H" q5 ]- o2 Z1 R5 k: Y5 c; t* L
這條問題，貼落吹水版，名副其實/ p/ }' z4 K( C' G/ {1 e3 l  x
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]