| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎+ F7 \% A4 e& e' `1 q" [6 q

3 {1 u6 p" k: l5 {8 Y2 K(x - a) = x - a
2 g% p) a, P. y% Z( x(x - a) (x - b) = x^2 – ax – bx + ab7 x9 ]( o9 d- l( u. x% l
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" \3 `2 X+ y5 |7 Y
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 E& e. C" T3 `* h- R8 H5 G+ B如此種推，
! y# R8 ^9 n- F; U# r* ^) I$ \3 L(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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
7 Y$ r+ w: [) P) }(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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% d  x" T: E3 s# N( G7 P[ 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:% d/ u% L1 X5 t) a: @& z
咁難既=.="+ ~5 K5 N, W, n; R6 p1 B3 k! k: y

' A/ w. l3 y: e; x% {, `7 s[ 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:
$ l5 O; I5 g, Y& q6 O第一個答中有獎
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(x - ...

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; G  @9 Z' Z2 R1 c' T(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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/ m( }: g3 Q. R' O/ u唔似a.math題) ]/ ]3 g  V# R9 ~8 s+ C
似IQ題=.=7 Z, c& P3 c& y1 M! w$ o

1 E9 _( `- Q* v) [( N; e[ 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:1 U! G# D8 r! L

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4 w0 E+ U3 P! q' s/ L8 [(x-x)= 0 ，所以答案係0，is it?

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2 X% j" |6 e* U& ]; C/ }Bingo~

waikong

我係學校個學生會單張見過8 U: R- P9 y, y- E
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........./ i9 m+ N; E' ^& }+ _
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]