| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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6 X  t9 g7 r7 t  Z8 w(x - a) = x - a) \/ ~% n- W; [
(x - a) (x - b) = x^2 – ax – bx + ab0 [% k9 M- |' e5 h/ i2 Y* B2 e+ P: n; }
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" e' e/ U1 L# f) i; q) l2 c
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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0 C& D! c6 v8 g1 E: |( p" u(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???5 R/ N" n7 g4 h/ M* d

3 Y( m/ z$ [$ P" B+ b6 r7 U) l[ 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0 C  F* e9 l( [" V

Originally posted by Triangel at 2007-4-18 01:26 PM:% m4 k: s2 q/ n
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc' T1 O: f  ^6 i3 z* i2 B8 O6 C8 @0 B
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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:  N) F/ _" A) H+ T- S
咁難既=.="& f; r" [0 ^! M

5 C0 y. N' [) Y6 Z; _[ 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:: p! b% y6 @( l; L
第一個答中有獎
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(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:0 B0 y& E: Z1 n4 p! y) Z6 d0 h
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(x-x)= 0 ，所以答案係0，is it?

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% C: x* \' F3 L% u唔似a.math題+ D& c, _$ n2 W0 H7 r/ w9 X; s7 F2 i
似IQ題=.=1 A; k) ^1 r9 t0 W$ u! k; B1 E2 M
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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:4 q% D0 ~: J0 |
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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
# p3 n& A$ X' ^+ 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.........$ d0 O5 Z% J5 ]' M) i
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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 ]