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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

(x - a) = x - a# D* O& ]. O# [: I9 N7 _# h" r
(x - a) (x - b) = x^2 – ax – bx + ab0 E" b- u1 r& @
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc* V+ z- y! P9 J( `; ~$ d
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd6 I% \) d. G1 ?% l- R
如此種推，* F6 i* x) q( Y7 P% o) d% @& A
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 ]5 ]6 i+ K# _6 a& z8 ~6 ^

[ 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0 U! \! _7 C; }$ p: x$ w

Originally posted by Triangel at 2007-4-18 01:26 PM:- y* j. R: }6 V( O0 n( G
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc2 u6 r& k+ }3 c% F( }; M
! a D2 I* b- n" d# V% 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:
: W5 W, O: |; b9 ?2 D1 s9 L+ s3 J咁難既=.="1 ~1 N7 o, F, \ W: o
4 a8 T+ n0 L" o- w' k% ^
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

* u6 ^! ]: K. j: H' S, G* i2 [0 Z
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:
2 G( \6 v0 d% @! i5 E& l第一個答中有獎
2 s9 _/ _0 Q E: ~' t) ?) E: Y4 U% Y2 l% _, i
(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:$ d6 ] g2 c. w, ]% W' {0 X, \' U% i

# i8 m& S6 }& e4 g% M% x2 I" b j1 q; y. D- X& l
(x-x)= 0 ，所以答案係0，is it?

2 P9 v$ M5 ^+ x- y0 K( W

唔似a.math題9 {8 D! [+ g! R" z: W
似IQ題=.=

[ 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:7 J) _* X( _& N7 f5 m3 P. H

% S% s! l6 y7 a$ r" v) N
+ S y% h+ D: m6 \+ v4 I(x-x)= 0 ，所以答案係0，is it?

0 I% g9 j& c/ u9 _

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.........7 ^9 h) m* ]) I2 F

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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