| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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$ @9 Y( C) m6 t% J(x - a) = x - a
4 S4 D% O( f) }' V7 w( h( k8 F- c(x - a) (x - b) = x^2 – ax – bx + ab1 G4 o+ b8 B9 P& F
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
( t' v& i& P8 x- H* q2 [(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 I( s6 E# l1 J' j. n4 W! R% d如此種推，
2 S4 f4 C. j- R) f* Q: ~: `: G(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 ]3 K! W; k- q& o

; ]: b7 y1 F0 h% }3 D* @[ 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" Z4 q9 g; e  e& c, }( Y

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 h* |9 S" l% @3 j0 P. l2 Y(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:
0 Z; ~0 k. G. S1 Q5 @& _  q咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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4 r+ T1 t6 X5 d/ T' wThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 n( }' `+ y( _6 e第一個答中有獎/ s9 P; [  X) J

2 t8 R0 v4 u2 P2 b; f+ R(x - ...

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" h9 V: K8 p. R& F3 j3 w. f+ M(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:: w5 D- I4 p. I
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7 G; r/ T* M. z1 `% n(x-x)= 0 ，所以答案係0，is it?

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; m$ H+ z  ?, P6 n唔似a.math題- B4 N+ K/ Y) V' d  g" K3 I, h
似IQ題=.=' _; ?( x+ A  O0 e: c

, c5 ~( \$ ~+ I" b) {( c[ 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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+ Z' S) E: Q: c' b% {3 o* l- q(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
; p+ @* m: s" D. L$ S: D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........./ R) ^9 Q1 d% C4 }9 V' D
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]