| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎+ n. ?9 Z* ~( f- L: |2 T$ k. |

3 Q$ }4 j. k0 b$ E$ @% I$ X( Q(x - a) = x - a
" D( P- R% w( [; \# J7 Z0 Q3 b(x - a) (x - b) = x^2 – ax – bx + ab3 Z* w* ^( n, |: |- G1 J/ J
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc7 x9 f7 V  o( ~, Z
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ T& Y, Y* D* \9 @如此種推，- f: Q8 ^5 m6 m0 N
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 M" _, w9 s" e1 x

9 Z. G4 l  `, o: [6 w[ 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: |* j6 q2 e7 Y: X* g

Originally posted by Triangel at 2007-4-18 01:26 PM:
$ S' f+ H9 T( Z# w(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( R; u( ]1 V, X6 w+ Q* ]1 I
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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:
7 u) A6 ?" H% z+ f- j咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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: d4 M& r  w: |Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:. C" n; o0 M. p$ L* x
第一個答中有獎  w0 `# y9 d1 H' L7 e2 V4 c; e
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(x - ...

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1 X. i( ]' x  }, K$ a+ z(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:2 ?) Y. z$ O, z( h+ M; K

$ x5 M9 `. L1 [8 u% Y9 u" l  ?  B2 L1 D1 J3 s2 M
(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題2 j' t" s+ P$ j- u- ~5 X
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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Bingo~

waikong

我係學校個學生會單張見過* R: \$ G9 g9 U. w3 l& U3 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.........$ C4 K. T/ u8 @, P5 y; h
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這條問題，貼落吹水版，名副其實2 ?+ d8 q$ P' Z' O& B
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]