| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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' J8 D- x: F$ s9 D5 t+ t(x - a) = x - a5 B. u4 ?* x6 b* z0 R5 z
(x - a) (x - b) = x^2 – ax – bx + ab0 e" M: @6 ?6 U3 l5 H$ R
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
6 N" m) j3 S. Y- o(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd& J+ X% q, S! c+ _
如此種推，0 X7 T5 h# {2 T0 P& ^. O. S
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???: m' p. T- A' K9 L* {8 j
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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:
' M: T* f3 i& y) w! f. D  m(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:4 K& {4 j! x2 {4 U1 t2 g* }9 g
咁難既=.="4 |+ v$ L  \, J, P/ V
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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:6 w9 ]# C6 e" H1 F# D$ c0 t
第一個答中有獎
  g# ~3 ]5 r( w3 h0 V5 y
$ y: @" ]3 ?1 Q; @( p(x - ...

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, J7 q' Z0 r) u(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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$ _5 v( B8 N% F& `7 w(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題+ h- C7 ^$ s- [) G9 F1 Y* C6 J% ?
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:
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  @5 l" R! ]& Z8 Q" a  L- h( I
. t$ x; r" v. C% v& J9 u(x-x)= 0 ，所以答案係0，is it?

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9 t+ k( ^9 [/ C- S. q8 zBingo~

waikong

我係學校個學生會單張見過) B( `) O1 ?: ~
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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/ d2 N3 P0 x. {0 W  v. B這條問題，貼落吹水版，名副其實
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: b9 g2 O' r8 E+ R7 y' Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]