| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
9 C6 s( r( z$ R(x - a) (x - b) = x^2 – ax – bx + ab0 y: i/ h- u& _9 A2 w5 R
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc) r2 H' x) }9 k
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% b2 Q. [" Q: }/ s如此種推，# `# @/ }" Y( P7 f( h' g9 q
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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! ?/ ?# g- ?4 r3 ~[ 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8 _) s: P8 c* m; A) O

Originally posted by Triangel at 2007-4-18 01:26 PM:7 U  x6 e: k- ]3 z% E
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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" g1 S8 N' D! M+ f/ c  p$ X. G, N[ 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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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:  F; u  v4 p( d7 X
第一個答中有獎
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- g# o# O: }9 e2 j- `(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:6 _2 x6 A8 n, U1 ^

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(x-x)= 0 ，所以答案係0，is it?

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似IQ題=.=! U6 |- m/ V0 J! C! [" `( ?
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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:
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( D. t/ {' g, q3 d% [; K& K9 q% S
) J2 r; S1 v8 x( p- P& S(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.........; C6 X  s& G( I! l2 p, a1 ?
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這條問題，貼落吹水版，名副其實. ^- J6 f3 u  l
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]