| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎8 A3 \6 Q7 r" {

' M0 ]' h+ C' u: |: S3 Y(x - a) = x - a
. E" ^' m' N' y+ r7 s(x - a) (x - b) = x^2 – ax – bx + ab
: n/ M3 Q1 Q, }' _, q& |* R' T(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc4 f3 Q( W& J. _+ z: j! m# m
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 o0 R5 i4 `  t  r如此種推，) Y& q. g" ]4 S' J  @1 g; {
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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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5 i6 i3 |+ D4 M. F. V; z

Originally posted by Triangel at 2007-4-18 01:26 PM:& l& ~/ W# V6 j- d3 P, U, b
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:6 y" u6 F( ^5 S5 F; |" ]
咁難既=.="' Q8 Z! x$ J4 I2 D- r
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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:# R* @5 U4 Q+ C! ~2 Q
第一個答中有獎
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/ ~6 Q8 g0 R. @5 I/ H& N" z) y  X  ?(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:$ ~& i; O$ ]- d+ v- s  ?

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* e$ m  W0 _8 u3 ]* Z9 ~(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
' A* P- U% D' c" d; e" T+ u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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6 S: B! q0 E3 [3 r" \Bingo~

waikong

我係學校個學生會單張見過
# r5 i4 T* f" Y0 k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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5 p$ K( O; g4 x" _這條問題，貼落吹水版，名副其實
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5 e& J+ d% i) Q# N: K# T[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]