| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎8 k+ w9 `8 K, \: B9 x
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(x - a) = x - a
4 Q5 U5 b0 q  I$ }(x - a) (x - b) = x^2 – ax – bx + ab5 J6 i) h9 I& S8 l- Z& E0 S& x- _
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc. K3 ^% R/ M! K" u
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
) `+ G8 R" D) c' X如此種推，
3 h7 J. c" Z. ?9 l* h* }(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 o& L' R/ y4 f3 M! Z
+ W: G- ]; b' [5 Z7 Z
[ 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- z8 y: W- K0 P9 c  K; v9 x4 n! q7 G6 a

Originally posted by Triangel at 2007-4-18 01:26 PM:& @# V( D+ i- |7 ]5 P6 c/ ^
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
+ o6 L" ~, P7 ^. F, C4 |4 B, H( d0 s

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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:
  Y/ s  c; T5 P咁難既=.="
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+ t4 O. D# O; e# f[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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3 {' Q: N  G! B/ Z7 z6 |* q1 g; }Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:. d4 j( O" R9 \+ O$ ~: ~! c
第一個答中有獎5 t: J' M; T1 f; S4 j9 L' P0 g) |

  n3 I! M# [, O) u(x - ...

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) f: Q* r8 p2 U; C, ~! Y(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:  u* o; b4 Y5 H* v+ G/ L3 [

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9 ?, A& d) {4 K2 J5 r(x-x)= 0 ，所以答案係0，is it?

( i4 i# U% m) ~& V5 G9 B" i! I: t/ e; Y$ }! H
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唔似a.math題/ D8 L' U/ F6 }% I: D! P
似IQ題=.=( e+ @5 T2 v  |9 W' \& ]  S
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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:- q" x7 O  L9 x) p; y7 I& Z$ e
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(x-x)= 0 ，所以答案係0，is it?

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6 u5 S; I5 O  s' ~$ E' xBingo~

waikong

我係學校個學生會單張見過
$ ^$ n# b( o4 ~4 R' D' y4 r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.........' w( y( I9 F; I$ F) q

$ L2 u; p* @1 x" T7 m$ B這條問題，貼落吹水版，名副其實* r& s# W5 S" @

9 _+ l- o4 l- N: l0 U* B7 z[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]