Board logo

標題: | TriTri | A-Math 加分題 | [打印本頁]
作者: Triangel    時間: 2007-4-18 01:26 PM     標題: | TriTri | A-Math 加分題 |

第一個答中有獎$ g0 \1 G" \& U0 v" o8 U4 V2 `- H

2 b  u  H/ i* u(x - a) = x - a
1 L0 S8 [: S" l+ I! S+ ~6 e# G7 Z(x - a) (x - b) = x^2 – ax – bx + ab) g& `8 o8 ~9 }+ t! {$ R
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc1 ~$ E6 e: {1 u4 J$ {, x
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd  g- j0 p1 w' [
如此種推，
. ]0 Q$ x) j$ v# L6 n; {# u' F: O; N# ^(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
, y4 K# ]1 d' [4 G3 D+ [: r( V. V$ I; }- F
[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]
作者: 大大    時間: 2007-4-18 01:41 PM

點解你個問題好似有d問題
& j& _7 z9 B. X9 L  v4 C
Originally posted by Triangel at 2007-4-18 01:26 PM:# M) T' m& X9 [$ a/ k4 x$ G6 h
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc! j7 _: b; ~( J5 l# e
: ?2 ?: m8 p- i
! O7 a9 Y5 E7 m1 B& `+ L1 H; g
6 F! l+ T" E; J: n* c
[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]
作者: Triangel    時間: 2007-4-18 01:54 PM

Originally posted by 大大 at 2007-4-18 01:41 PM:, R: o: Z. ]6 t1 c
咁難既=.="
! T$ [; i3 t1 J; W
8 C% Y! v: k& k[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]
8 ~; f5 s3 S$ u$ }

$ I& g: Q/ o8 m3 ]Thanks! 更正啦
作者: littlenic    時間: 2007-4-18 01:54 PM

Originally posted by Triangel at 2007-4-18 01:26 PM:
1 m& A, X' l" r/ J第一個答中有獎
9 A! A4 {0 ]7 L6 C* l
, n( S. @) |" B: E5 ^(x - ...
$ c/ r2 z& N3 g4 G, r
5 ?( [: B2 {* N! n(x-x)= 0 ，所以答案係0，is it?
作者: 大大    時間: 2007-4-18 01:56 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:8 W; }/ l  M4 F: Z4 N
# @5 ^$ H5 a1 O: ?5 D& P
2 q; U" b6 Y- e3 F
(x-x)= 0 ，所以答案係0，is it?
3 _7 A9 k" h. E! J. [% D! ]. }+ O* y8 u% D" I+ [+ E4 w1 r
& N  p, I2 s+ ]$ }% P3 S5 L
唔似a.math題
3 q) g) d4 L* o2 J+ P! Q似IQ題=.=
) h. p6 F  \# L3 B6 H/ s% {# A7 w
[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]
作者: Triangel    時間: 2007-4-18 01:57 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:
, p/ B' D# J+ q6 S1 J2 K# R3 s- X% |6 n$ [+ ~

$ `# s% y& L$ U9 N7 F$ |(x-x)= 0 ，所以答案係0，is it?
1 V7 O0 \4 _7 O5 q
8 e* G6 E' V( p: T# Z+ nBingo~
作者: waikong    時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過
* x* F( [& l! t5 v' q諗左一陣先諗到
作者: playbr2    時間: 2007-4-18 04:00 PM

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
作者: karen0123    時間: 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0.........# O  v4 \" {- f
$ ?; k1 A1 ?& c1 K# }
這條問題，貼落吹水版，名副其實  I4 w9 ~% |, r- f$ T( Z
, v( ?$ V9 v: q/ t1 ^
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]



歡迎光臨 娛樂滿紛 26FUN (http://26fun.com/bbs/) Powered by Discuz! 7.0.0