| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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% j/ G+ z: @" @/ F0 [1 g, s/ [(x - a) = x - a
  \2 O6 c3 `/ X( m7 {8 ?(x - a) (x - b) = x^2 – ax – bx + ab0 U. b# o! b2 L
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 n7 ?) x$ D; g: t* \0 y/ g(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
9 U* g" `( X8 q4 [如此種推，5 v1 d- s9 N  y
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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" ?, g* i6 ?$ `5 S[ 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2 H* q. y) f5 |# Q. A

Originally posted by Triangel at 2007-4-18 01:26 PM:4 M* g; q; j/ ?$ Z6 C2 ^; {
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 F/ L* w- Y4 t" _( U$ l

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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% m; b3 T: x咁難既=.="
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* J+ h- R: x; t4 q3 V' z[ 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:
( n' A/ s* u2 {2 k* c4 Q1 o6 o第一個答中有獎
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9 D/ |' T5 K! H2 ]3 F(x - ...

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# |1 J# ~& I: T, a% k' A/ g(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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+ V7 u( m$ M' [& w(x-x)= 0 ，所以答案係0，is it?

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+ O  M- `+ z1 Q6 j唔似a.math題& m( ?5 e, J. R- l, e
似IQ題=.=" P* ]* `+ U. @4 @

' h2 |' i- ]) z* s& y9 j# ~[ 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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Bingo~

waikong

我係學校個學生會單張見過7 k, q- G% L; K: _: D* u5 a7 g
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 p3 X; |. P6 R3 ~2 i7 k
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這條問題，貼落吹水版，名副其實
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: D% D5 O& v2 `. U3 b[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]