| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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3 O$ n0 U0 v2 w(x - a) = x - a
6 ~6 p+ C  G; `3 v9 W8 A(x - a) (x - b) = x^2 – ax – bx + ab/ ~$ j9 c5 n4 y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
- W$ c* H+ \; y% V$ Q(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
9 H/ \# a. q% U# z& _如此種推，
/ R7 Q% j% Q& F% n7 X% ?! l) R(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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9 e+ K2 U0 \0 I* I[ 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2 d7 l* e! X& p6 s2 G! q/ l

Originally posted by Triangel at 2007-4-18 01:26 PM:8 m1 w8 {- [% m) \! ^
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) V, s" g% b- O) V: ^! `
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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:8 u8 y, z2 `. n" l, b  \
咁難既=.="$ M& i% A) K, Y5 r

7 P  D0 j0 l: c/ h0 c[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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" R$ |: j% O) m8 i* KThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:* q; d$ @* {2 s) u* |# W
第一個答中有獎
5 }' Z% f6 F; U* \
' Y0 x" a0 d- k! K( U( s(x - ...

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* U5 t1 ?* t$ X4 a/ a( z(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:. r* O4 H4 a2 Z3 e5 y) z+ [

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' R% E$ U' A; P# w3 |+ ](x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
) b4 r. e# a! i似IQ題=.=; D3 x+ ~9 Z7 J$ _) [! N7 y; q1 q
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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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( I: x" D4 l% F) x/ _Bingo~

waikong

我係學校個學生會單張見過
$ i% c; @  E  @. p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.........2 Q% U" w- H3 G- M. F7 |
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這條問題，貼落吹水版，名副其實: \$ ?" C2 d: @9 @) n
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]