| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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1 ]5 u2 K% j: x, E) A3 E9 }(x - a) = x - a
7 @5 H1 ?+ Z4 c$ ]+ N0 C(x - a) (x - b) = x^2 – ax – bx + ab
0 [6 w9 P  n+ d  ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc6 F) F3 D9 C9 K9 K
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% p: B* |3 q" C6 j' y9 V6 n如此種推，
7 e1 I0 @  v2 ^" K7 d. c( N(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; U, e9 ^, u+ l. s
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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:7 c2 a- E( U8 P' \4 r+ }
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 R' q0 m: {( Z* t8 ?: {' j' W
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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:0 Z1 y* ^; S. l) f' h8 l4 U, `. |
咁難既=.=") N& t% z3 g4 C, ~+ C

; ?/ r0 w+ K7 Z+ `7 T8 E. @[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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& n' E% ~: c* ?/ _  E% ]Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
: Z1 z8 J4 l" o& ~) n第一個答中有獎
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1 l7 {( z! }4 F3 K+ ^(x - ...

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+ W5 f" i. L% }+ T; H(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:4 b4 D0 E, f. H1 K0 M1 g

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# l! C' [/ `& s: X/ D; h' k: a' }(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題9 U4 `# l: A7 l' X
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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(x-x)= 0 ，所以答案係0，is it?

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( x- D! v9 A& p! _Bingo~

waikong

我係學校個學生會單張見過9 R% a! H7 f$ N% n& ]! b" W& e
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.........6 p, Q. m( \" o0 a- K1 j# u! c
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這條問題，貼落吹水版，名副其實
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1 F; i3 W/ B3 F" b7 I5 h[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]