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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
) c+ t x5 ]) b: e
(x - a) = x - a
(x - a) (x - b) = x^2 – ax – bx + ab8 R+ B, m( P' B/ l4 ~
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc! \" [: {2 J, f8 q( n
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
如此種推，
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???& x5 L3 ]7 H4 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6 C+ G+ Z# `3 U2 f: h& t

Originally posted by Triangel at 2007-4-18 01:26 PM:, W2 }( l" m, ~. Z) b: d
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc5 h4 x+ O# o! r

+ {# E$ `8 H, e

# S- v. I |4 t, h

[ 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:
, H6 D3 ~4 O% M: j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:
9 N- g5 N+ O; b7 h4 O3 X第一個答中有獎
; |( _( I5 J v5 _3 j$ {3 P/ _" S7 ^9 S! \3 u
(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:
" X/ L( d% q- V& p/ }
1 H" v c+ T* ^ Z; G- w+ }& O
- J7 Y- f# m4 [" P(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題9 X+ g- l+ x8 o V; w4 o
似IQ題=.=0 N$ U; S/ g% f8 w) T$ l1 `3 c2 |
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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:
" a& U1 u0 L& M O$ L; g. I
/ d$ v9 r- g" N$ v# u ?+ L
" `& V; K" o, [. P1 \" _(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

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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.........
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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 ]

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