| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎2 Q1 X7 i( @: ]9 A

; G% ^2 N+ m& \9 S(x - a) = x - a
' [  C2 I, l) I4 C2 V(x - a) (x - b) = x^2 – ax – bx + ab# K6 t6 @+ `* r2 \
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc! G- u8 T9 `- S; M& W( k
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
' {( w& w' r: i( w# U5 ?如此種推，* O1 \. y- u/ {8 M( q
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???# K: K' N" z2 r
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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:
0 ]& `7 ^6 g, P# h8 M9 D(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc& h$ F! k1 }" n' K2 z: d5 \& z. r

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$ o# V) m8 d% }6 I% N[ 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:$ y  w; K! k3 K& \! e6 f- j/ Z
咁難既=.="
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" W3 }% A, `3 n" Q/ E[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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. N9 C$ Y% Z. |3 wThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:. a9 [& Y4 [8 I: j: A0 |3 S7 a
第一個答中有獎
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2 G6 [) v0 P& V' \6 y; l1 S) }  s(x - ...

2 A5 a: J3 m% P" O

, z, T5 h) e, F3 r  r(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
' ]# Y7 C6 s' \  q3 E# i1 @% x3 o8 w1 m0 ?$ m

! U% _, g" m7 g/ L. S# |(x-x)= 0 ，所以答案係0，is it?

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7 s1 B% s& N5 ^8 T  j  A) J
& H( J' U  E, H/ \* h唔似a.math題
% J) I0 o4 I& K. `+ s9 a, Q似IQ題=.=
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$ D* ?) U& u- q( E0 n: l" K+ u[ 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:3 y# k$ Y# V7 }' j4 l: E" D

2 s! ^* ^% d) C. {; s' {. M
. N& _, s0 I* v( Z(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
3 ^8 b9 n* s, q8 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.........% g& i9 b; ]4 P$ T' N6 s! v! }3 {& @

$ |9 g8 ~$ \9 \6 S3 n2 |% x這條問題，貼落吹水版，名副其實2 p* G" A% l. u
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]