| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a- W! M+ f" u* p- g5 {( }
(x - a) (x - b) = x^2 – ax – bx + ab$ y3 _7 ?1 ]3 e, [& I
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
, L# n! K4 V7 U; t  ](x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
7 L1 a2 {9 I3 N* P( i& k$ t( N# l如此種推，
1 G" {& r5 ?. V- G# X(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:
0 x8 ]7 y8 @$ q6 z2 j* x2 B(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc  w: K7 l. Q% x9 w+ L0 ~
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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:
" n1 E# b8 I( L咁難既=.="( [* u2 f8 \$ U: a5 F
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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:
4 \) Q8 Q# ^  m, Z- H第一個答中有獎
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  z; B7 E2 q+ K* O(x - ...

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1 M* @: K, D' j, b" s3 h. T2 r(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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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題* ?  A9 R! K& Q, V
似IQ題=.=
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# s  P. q5 g; W' Q[ 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:8 a& o3 o6 O6 t3 L
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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
7 \1 u( Z! s7 `- b& N' r8 X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.........* m6 E) D3 s$ q8 L1 v* K* c9 w
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這條問題，貼落吹水版，名副其實/ g3 ]0 Y0 a! F; r; X/ u, r

% _/ U9 U: o+ v- ?[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]