| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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9 s. {# G% |+ [2 T' x% u' {& |(x - a) = x - a
+ q  g' u: m# a. u8 I9 m6 p(x - a) (x - b) = x^2 – ax – bx + ab3 M: a) K! ]  f, u+ O6 \2 s9 [9 C
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
0 x7 e9 b; |0 ]* f(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd* }# l4 J7 x/ N- Y+ `% l
如此種推，1 S6 J7 A: v. d* K: H8 |
(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) Z/ v1 r% n# w4 e

Originally posted by Triangel at 2007-4-18 01:26 PM:% Q. ^8 H. V9 @  R7 Q/ M3 h' |
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc, |5 X' |; O; r  a0 @
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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:) X* F: E* \2 n2 d
咁難既=.="
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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:1 `9 _& q* n6 K8 J1 M# [
第一個答中有獎
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8 T6 B! z. V# M2 z% V(x - ...

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! t/ W/ t* O! A8 e(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$ s: J) ^3 z, h) u( x, j$ D
似IQ題=.=, Z* H9 z  [; S8 h

8 d' W7 r3 d! N" p4 P, V. B[ 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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6 Y; Y. Z* k, a  l8 w/ O(x-x)= 0 ，所以答案係0，is it?

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) Q0 J( p* i4 y7 gBingo~

waikong

我係學校個學生會單張見過# t) P* R- j$ a. H) _4 ?8 ^
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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" q% U1 l8 V! h* t( ]' M) \這條問題，貼落吹水版，名副其實2 P( {2 p; s) g% Q

1 ^" I! i! |% [% X[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]