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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 - a8 {" q- J0 |- U  M
(x - a) (x - b) = x^2 – ax – bx + ab
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd! ^& q  u6 p; m
如此種推，7 x; [2 v, F# f  N: Z
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???) Q( J# q1 d' L4 Z4 S

[ 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, |4 @0 T2 Z Y; g9 o. J" B

Originally posted by Triangel at 2007-4-18 01:26 PM:5 n: z1 j1 F/ R& _+ i6 k
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc/ Z3 r2 _, c2 y. g3 N8 Z* r
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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:4 i, m# Y& X: |/ Y4 `" _
咁難既=.="! R8 a' O7 w# \1 p$ t% L. g

3 _/ e! V# D- b; y9 V[ 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:% T3 t3 D. M2 P v
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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9 ]+ o( M- I& J; ^: N(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
似IQ題=.=1 D" F; [8 T9 q3 ~' 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:7 T3 i# {: H { j g) g
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- |$ R) l2 z5 K+ u. F(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.........
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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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