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標題: | TriTri | A-Math 加分題 | [打印本頁]

作者: Triangel 時間: 2007-4-18 01:26 PM 標題: | TriTri | A-Math 加分題 |

第一個答中有獎4 i8 ]+ E0 E2 U
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(x - a) = x - a& Q% i# j( S0 V- t. Z( z
(x - a) (x - b) = x^2 – ax – bx + ab( V4 A) I+ e2 u5 g9 ]
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ w s/ s5 |1 X$ z+ D2 V
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd1 G+ w9 y: G+ y4 [' m
如此種推，
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???

[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

作者: 大大 時間: 2007-4-18 01:41 PM

點解你個問題好似有d問題5 G: ?+ I& M/ [

Originally posted by Triangel at 2007-4-18 01:26 PM:
( r1 R; F, p% M(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 O% L4 f$ h1 a4 ^ z7 {& w. }
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[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

作者: Triangel 時間: 2007-4-18 01:54 PM

Originally posted by 大大 at 2007-4-18 01:41 PM:: @% y; `* M- I9 g" m5 `
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

作者: littlenic 時間: 2007-4-18 01:54 PM

Originally posted by Triangel at 2007-4-18 01:26 PM:
4 B9 x9 Z1 H/ i7 k s1 |8 q第一個答中有獎
2 x, Y4 ^! F1 x5 ^. L; @) m7 r4 t' b% L% x
(x - ...

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(x-x)= 0 ，所以答案係0，is it?

作者: 大大 時間: 2007-4-18 01:56 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:
/ f, G$ d4 w$ Y5 C" I( J$ S' ~
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! x+ h- f" ]2 @6 G(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
似IQ題=.=
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

作者: Triangel 時間: 2007-4-18 01:57 PM

Originally posted by littlenic at 2007-4-18 01:54 PM: ?' f+ ~* Q7 f
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! g' Q* W( K- j, P# g$ U9 z(x-x)= 0 ，所以答案係0，is it?

Bingo~

作者: waikong 時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過

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諗左一陣先諗到

作者: playbr2 時間: 2007-4-18 04:00 PM

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

作者: karen0123 時間: 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0.........

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 ]

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