| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
+ |. q- e; D6 N) |4 h(x - a) (x - b) = x^2 – ax – bx + ab% W9 x6 u; Y3 i( Q7 q
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
$ M7 W" }9 `4 ~* e' [(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
4 D6 L& S' G& @8 L如此種推，3 v$ r; h/ G- L: O! y, [
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

大大

點解你個問題好似有d問題
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Originally posted by Triangel at 2007-4-18 01:26 PM:, v; V5 P( \4 |* T  F  G' L
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

Triangel

Originally posted by 大大 at 2007-4-18 01:41 PM:
, P4 W, V" c+ i$ U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

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:  s' O( u  S  Y2 F+ [5 R& m* T
第一個答中有獎
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(x - ...

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9 O5 T- }- h! u" v(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:: k5 i8 H, [2 ~
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(x-x)= 0 ，所以答案係0，is it?

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. q- f# C6 e+ w% J0 B  W唔似a.math題, O, f4 W1 w7 i& ~; x
似IQ題=.=4 R5 V. p+ `/ L
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

Triangel

Originally posted by littlenic at 2007-4-18 01:54 PM:2 s2 W- B1 C$ }3 `
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(x-x)= 0 ，所以答案係0，is it?

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0 t0 O8 F2 }* aBingo~

waikong

我係學校個學生會單張見過
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playbr2

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

karen0123

(哭)~~~~~其實我都知係0........./ c* q) _1 Y2 t% B+ ^6 s
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這條問題，貼落吹水版，名副其實2 P9 I+ j$ C/ M6 F' |# @+ ~
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]