| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
' m* L! m% u5 S' k# s2 I" r, t(x - a) (x - b) = x^2 – ax – bx + ab2 q1 C& S1 P6 m8 z9 U2 b9 f
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
$ c4 N  b% G. O5 \9 V/ a3 @(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 Z! t! g9 @! F0 P如此種推，$ V8 c/ J  a6 d
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 ~; N( ^/ E0 K. m

' w7 ]4 i8 d& b) P[ 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6 @# B! \- K) G) B& s8 D

Originally posted by Triangel at 2007-4-18 01:26 PM:
  G& p9 q% Y$ W& Y& ^! E! F(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:
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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/ n  i; C9 g! Z+ tThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:  f, r' ~+ _5 [' H% I8 a1 B- L( |
第一個答中有獎
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; e; H) |* F4 X5 ^2 r( R0 e(x - ...

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7 X4 T, T% C7 }: y(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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/ {' o+ N9 G) i) f" s(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
  l5 w0 A  h, m似IQ題=.=8 X0 o6 }, i& b+ L$ v* |
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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:. T" ?/ |  H# v  b! _$ C! a/ S

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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
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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.........
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7 `$ e9 E6 Q& e( V" r8 S0 r5 }; h這條問題，貼落吹水版，名副其實
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' h/ i8 E, w9 {0 Y2 U[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]