| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a8 U3 h/ R( A& b7 X( b; f, R
(x - a) (x - b) = x^2 – ax – bx + ab
' q& H* H# {% F% I(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ u2 H) j4 ~5 P6 |  s6 O( D- }% ^
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 `4 }4 z! N2 {5 p9 v7 y" G9 i! x3 a* n0 {如此種推，: D6 \* A: g9 {* ^- I7 ~4 [9 l
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???: c2 q( Q  i9 }$ v" S
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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
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Originally posted by Triangel at 2007-4-18 01:26 PM:' t5 e+ v6 P/ j: r( ?7 k  s
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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, A$ ^4 U' v: v( y# o[ 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:" F) r+ S0 |+ C5 s' @+ D
咁難既=.=", u6 q8 b$ g2 X: s+ T
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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7 o0 \" [  r1 o% a$ S0 o7 p  f, YThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 g& t; c0 C: b# h1 C第一個答中有獎
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6 R0 b0 o9 q' @3 ]1 z: g7 A(x - ...

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(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
0 K# D2 \& j! l- m: w似IQ題=.=' x2 x: t$ K& ]! p& c
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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:. K) }% g& J5 B

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. R( I( O. t- A3 E! `9 ~) e(x-x)= 0 ，所以答案係0，is it?

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, X' a" C$ @, p1 d5 UBingo~

waikong

我係學校個學生會單張見過
  i0 o. Y" H% _8 a1 O7 w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.........4 Q$ B1 N1 h) [

# T  {, r, t4 A, p這條問題，貼落吹水版，名副其實
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! E+ w) ~% }; @% z- }- s  Q[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]