| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎( G+ P/ [0 |3 r% j
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(x - a) = x - a
! S/ C7 Z) Z( X8 Q5 A& |(x - a) (x - b) = x^2 – ax – bx + ab
2 I3 b. C: r8 u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ c2 M* ^8 P% ?+ s7 b4 q; D8 v) W
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 {+ N3 S7 C& E' X3 }" ]3 h+ o. W) h如此種推，" D4 ]2 @+ P7 s. r- v% F
(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:  @, o( [" A! I/ C. s
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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. @7 f3 j" m3 A, t* _[ 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:
# M& G$ ^0 S* q  i3 E, z. ^' y咁難既=.="6 G9 R8 X( b# J: z* y6 I

! n1 m6 L4 Z& f% x[ 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:% l4 w/ }% n7 S: Y" e
第一個答中有獎4 ?  o$ j+ s1 f' D; M8 a

3 F. [2 J1 q. t( I/ g% x(x - ...

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, i( D7 ?- |% l(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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6 u* p6 Q! F# p2 K' b唔似a.math題
3 J$ g7 P) X) k; U似IQ題=.=' z* m5 P: Z) I! L2 V4 W$ w

4 q4 @: b3 g0 g' h: @[ 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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(x-x)= 0 ，所以答案係0，is it?

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( p9 Q2 r8 F' O3 O5 q1 tBingo~

waikong

我係學校個學生會單張見過, W: Z) H& K1 T
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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這條問題，貼落吹水版，名副其實
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( R, b# Y  _2 x6 Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]