| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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& `5 k% C, V5 ^# f. ^1 U5 g/ ?2 R$ s! r(x - a) = x - a5 |" Q+ `' x7 v- A- [5 z
(x - a) (x - b) = x^2 – ax – bx + ab
+ W, ~& |  e# d  M: H(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  W6 Y. b6 a' k2 q(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd+ x1 f5 F0 j% ^9 L
如此種推，8 k' F; ]7 ]/ m
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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' I1 |6 v! ^5 ^5 B' q[ 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% {# ~: u. I- T: U; Y* C

Originally posted by Triangel at 2007-4-18 01:26 PM:
& D! {6 s/ g1 w3 e! u6 e" a(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( z5 K1 A+ G& T' n( S/ y3 F6 \& P

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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:  ]1 R, q2 B& Y
咁難既=.="* D: b9 ]) l- N! d' S2 M4 R$ d
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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( o' w! k' l2 sThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 p1 a" R: m" f- N# _0 p+ q第一個答中有獎
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1 ?8 X) B. ~9 B. C6 S(x - ...

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9 ^" W! w0 _' E! x' |7 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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' }9 m; e) g8 |2 F(x-x)= 0 ，所以答案係0，is it?

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( l! r- h2 a' E0 s' v% n$ x" }唔似a.math題9 L5 L1 Z# K3 _/ w
似IQ題=.=7 j# c$ T6 j3 b/ K' c

: V; Z/ k# W3 s5 q7 C[ 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:7 R$ ~" j8 T; S/ t( {# Q- c/ O

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* F3 D: A. Y4 C$ P(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/ m! {% _: G, o* E  U" R, F# e9 i
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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' I! Z3 w8 b5 e1 A3 t) U1 l這條問題，貼落吹水版，名副其實
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; g3 g' \% e/ y9 c4 A[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]