| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎! X1 q; S( I; v  r+ [: w$ w8 S: a

7 A4 E& u# ?7 I- `(x - a) = x - a
1 s2 Y; J8 ^8 @(x - a) (x - b) = x^2 – ax – bx + ab8 t" M# @$ D) k5 `  d
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
. _1 H) ?( v; _7 l( d(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
7 z  Z: C+ ?% a8 Y/ O' P3 g' D2 d如此種推，& Q6 i0 [8 {/ v) R( p8 O
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???3 h9 }3 C0 }0 O7 r1 u2 N9 x

, [9 u0 P6 A9 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2 q, e$ D. ^- X( b5 L7 i$ L8 g% Q7 H

Originally posted by Triangel at 2007-4-18 01:26 PM:
- S5 W+ m, F3 P(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc! s0 O3 I' B4 g% ~6 U9 {
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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:
1 z6 y; t0 f' `2 R咁難既=.="& |; m; t2 Y! L% ]# S8 f- b
$ P4 e/ T; x' P' c
[ 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:
4 y5 i0 f3 f- x& I( |第一個答中有獎7 [/ X8 T% S: Y# _3 S+ Y; @

3 l" `4 L6 `$ t- P+ Z0 A5 l, @(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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/ x+ K/ I7 r, I- Z(x-x)= 0 ，所以答案係0，is it?

' ^: W  U8 e' h: f$ n; j$ P3 v/ x! d% f) {
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唔似a.math題8 }# X' W, K- t- L' Z/ R
似IQ題=.=' D) w& k3 K5 |( B9 o
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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:
. }! J2 m8 h1 T4 s& g
- e' t5 M2 c  ]0 z+ n
7 c, b7 r! }$ `/ i  L, t(x-x)= 0 ，所以答案係0，is it?

& j4 o1 r8 c  f
' R' ?! p* M/ o: f; zBingo~

waikong

我係學校個學生會單張見過% i9 a4 j9 }/ a5 d. W7 K0 z
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.........6 N7 }( M0 T) u8 m- y" A
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這條問題，貼落吹水版，名副其實% f5 J3 w3 I2 ~* X( [1 C

. H* |* J" z9 d2 ^. ?  r& Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]