| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎' m; ^1 s# V0 J1 d) B! }4 ?8 }

) C/ x+ F% G9 V- L(x - a) = x - a
1 n0 b9 I, E3 u- ^: u(x - a) (x - b) = x^2 – ax – bx + ab
- U( O: m- S% c8 Z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ h. ]; A6 @- N- B9 i
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ G6 t/ F# [9 V; u% A如此種推，3 i3 ?1 G9 ?! ^2 _2 @! Q! t+ T. m: Y
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  e, f& Y: x# P5 m" g
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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:9 i# h2 m1 p0 O3 c; ^. G/ }$ q6 b
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# {- b1 }0 k" W

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, U  d( z/ J# ^+ H[ 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:3 z  c. N6 F, K+ u8 z
咁難既=.="
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$ [' _* j: w- b3 Q  L7 E[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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" \( w$ H$ A+ j0 E  IThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:* Q5 n1 A0 Q; {- a# w& d
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:
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3 d3 H3 T7 M' a# m3 B
, b* r+ L) q, K! r7 z6 |2 U+ K: D- ~(x-x)= 0 ，所以答案係0，is it?

$ D- ^8 |3 Z% k, u8 c
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1 K2 N  y" k! a  J% |4 L* ~唔似a.math題
, {2 r7 a; f( D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:0 |  o+ x# \0 u

& v- J, i/ \/ i2 p6 |1 i" s5 K, L' I& w, T$ I
(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: u! p6 F) b) v$ s7 a
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.........
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這條問題，貼落吹水版，名副其實; l' ~; e- L5 a$ X: O7 t' W

$ k; ?, |& U( j  ^# M+ F. V[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]