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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
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(x - a) = x - a$ `8 y" x  J: ?! W/ E
(x - a) (x - b) = x^2 – ax – bx + ab& n# B3 _; C: W, P. z6 `
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc4 e) Y  Q: y) z6 ?$ C
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd6 ?/ C! C' K5 p6 z5 x; [3 x
如此種推，
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; c! ^9 y( ]% |6 |2 o# k
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[ 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

Originally posted by Triangel at 2007-4-18 01:26 PM:( W; m4 B8 q( c  [6 N6 M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* r+ Q% J; t5 l4 b( q' w7 q" q
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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:& m. O O* e; \: t/ f; [
咁難既=.="
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4 s/ u$ w$ J/ U, E- d* Q[ 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:% n8 k+ {4 e7 ?- E" Y
第一個答中有獎
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(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:
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題4 `" G) @: \5 Z, N1 K1 V
似IQ題=.=8 a$ N) O# K7 o4 J M, c& H4 O; W
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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:
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, e. L! j& O, M/ { W(x-x)= 0 ，所以答案係0，is it?

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Bingo~

作者: waikong 時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過

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

+ H, S$ r& e) L, M* B

[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]

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