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Triangel

第一個答中有獎# @1 h. ~* z- O
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(x - a) = x - a3 G, e& R9 o% N% b; y
(x - a) (x - b) = x^2 – ax – bx + ab
# O: l9 G! W, \. U+ ^* T  P8 e(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
1 `/ [- x1 P7 Y(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, [& ^2 ^. v: W  ?/ j4 x如此種推，
6 b6 q' t0 P5 a* b/ y9 g3 r- m/ K; D(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, Z9 T1 I  {9 `  i+ `: q' U! G

Originally posted by Triangel at 2007-4-18 01:26 PM:3 _+ a5 I9 j  E7 h' D3 A
(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:! A: F5 p% A. Q6 y8 x6 p
咁難既=.="8 U/ l, A8 ?5 V

7 U1 u; L4 q" ?. I6 m[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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' C8 l) @9 G% D2 H8 zThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
% v' o$ W/ l" h- n4 r第一個答中有獎3 }- Z* p5 ]* d% i8 ~; _# |& _; A

4 i  U* {1 m5 P  W) K(x - ...

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# C$ k3 ]- h$ G" F! N( k% z(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:$ @9 Q' k) `/ C; ^/ j& T
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$ S4 B: _( D; J& k% |5 w' {% W(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
8 x0 I5 T4 e5 \( B& _" x# M' s! W/ r" [似IQ題=.=
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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:; D) n+ ?; D" X2 q8 }9 f8 n5 P, Q0 R

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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% k  ^# k  H' }- Q
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.........3 @/ a$ F3 h; D% s+ j* V% R

3 b% r9 o1 \5 z% S; e這條問題，貼落吹水版，名副其實3 L' o# z0 K; A8 R
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]