| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a9 l  ^  ~7 _+ ?/ A7 b
(x - a) (x - b) = x^2 – ax – bx + ab2 d5 o4 t7 N" |$ |, y$ d. H! X
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc9 G/ ?3 ?  X$ x0 q
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 H, \0 K/ f# L) r# k5 J如此種推，0 S5 `  @" X5 o( z( T
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???9 v8 Y7 h7 ?" f8 A
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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9 G5 j; ?) Z$ m) W) O0 U% _

Originally posted by Triangel at 2007-4-18 01:26 PM:* k5 J/ i$ `+ P5 _7 Z
(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:
' M) C* }* S  N4 t咁難既=.="
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! o4 t  s7 q$ D7 Z1 @[ 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:- _+ ]8 i" M" R& ]: N
第一個答中有獎
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; `# `: u# y* W5 a5 E(x - ...

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6 z5 D' z* m) N! U( }. D1 d(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:) \0 l5 H" R, T# h; ?: ]

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) N: r9 Y: I' |(x-x)= 0 ，所以答案係0，is it?

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) I6 q- ]) i) V( J8 i/ _唔似a.math題2 n' S7 s7 t! e, p$ \' ^
似IQ題=.=( r# e- R9 q, k; U& s2 G

5 |" ]  v) e# b! T[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
! `$ ~# b1 @7 {" I# P! t諗左一陣先諗到

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.........
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3 t3 c6 O* ^: M1 j7 N1 M這條問題，貼落吹水版，名副其實3 T! e0 b: ^$ Z1 ~8 _

6 ~( B, j& b8 v: E  l0 a[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]