| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
$ l. U: e4 ]' k  m' l(x - a) (x - b) = x^2 – ax – bx + ab5 W  U" l$ H! t' ]5 O, {
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc3 R& K) b. n6 T: Z
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd8 s' Q2 m4 I2 f5 N2 M
如此種推，
& Q, k/ |, o. \) R( F9 m(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0 }% \7 {- I/ j( r/ |0 j  T

Originally posted by Triangel at 2007-4-18 01:26 PM:& W6 Z8 l3 F! k; m3 v6 z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc$ w" i% J* D+ t: ?9 `
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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:% g9 \) O3 r0 w1 Z' o: c
咁難既=.="
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- u7 w/ M0 v0 O3 Z5 O; f[ 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:
8 C3 L  {* R+ U- b4 C* K% A. k第一個答中有獎. Z1 V2 Q0 a& |% e# R
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(x - ...

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- G8 \5 Z* e7 v2 q& k(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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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
5 a' }- |& A7 z/ X0 ?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:; L; O3 B- W* B# J  o
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! D: W& I1 [/ `- O' p) T/ M) ~(x-x)= 0 ，所以答案係0，is it?

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; G: b9 t4 x( t3 }Bingo~

waikong

我係學校個學生會單張見過
$ c( c+ P; \4 |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.........% I# o# A% l& p0 \
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這條問題，貼落吹水版，名副其實
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8 a9 y1 G+ \  ]7 Y" k) \. d5 j* C, q[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]