| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎. b3 V$ L7 m& ?9 a% ^# h

/ t( ?! m3 s. I$ s: f. a7 C6 G(x - a) = x - a
7 r0 I6 e3 b3 x  Q1 H/ {(x - a) (x - b) = x^2 – ax – bx + ab
9 K! w4 b& i. j- Q" B7 G(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ \( x7 d: C4 }) F5 j2 t
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
! t/ Z5 T/ t$ C如此種推，" y+ R7 Y" S) j
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???! ^" v+ x  @' F3 A& d" H3 `5 \

7 g) k) u- \2 n  T  G; A+ S[ 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  ^6 r  j1 c" x* C2 I

Originally posted by Triangel at 2007-4-18 01:26 PM:! F, f- T+ x0 t# B! I# v. 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:. {# K' i* I4 U
咁難既=.="
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5 V) K  M8 ?3 F2 c$ h) X[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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: @0 R6 P4 O4 W! ?. E0 c& E$ q# nThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:4 |6 D  g! q. m1 B* K6 K
第一個答中有獎
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(x - ...

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3 l1 k, p) u, 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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) T8 W" r! k7 G& o! M  ?(x-x)= 0 ，所以答案係0，is it?

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5 o! o0 P+ t/ K/ S8 l+ b唔似a.math題
+ K2 E) Y1 ^4 G7 w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:$ A+ r1 {# H# V( S  L  K

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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
1 ~; s. M* J7 G2 i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.........8 g7 E  e. f, d2 y4 O' b
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這條問題，貼落吹水版，名副其實
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7 x+ ]$ e% w1 U: T8 H1 k[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]