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) D8 ]9 r; F+ L& W2 E( H

% a! ^8 X. c4 X1 O: [7 B(x - a) = x - a
' n4 u. B0 {) S: p(x - a) (x - b) = x^2 – ax – bx + ab
: W/ x+ a% }# }) x1 J7 Q) }(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
; G. W( H0 K6 g5 R$ H, F' R2 T(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd0 X8 m; s- E" ?4 ~4 i
如此種推，/ O3 C, K, k' M. L+ G
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
7 g, `( S. p' ^2 c1 L' O  d+ p
: c; \4 k6 [" C8 E3 l) t[ 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
9 M+ ]0 h5 s3 U/ V/ q8 y1 H
Originally posted by Triangel at 2007-4-18 01:26 PM:
" u% C  D& d8 y8 R& }: ^(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc' J0 v/ I' N% `5 i; p: n, T
5 q, T2 b& x1 Y, [) S2 t9 V: `6 p6 Z
; n7 z, F! `0 y% r$ E# o0 t
" p8 Y6 U, D& a" j& Y[ 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:. D1 d7 O7 a# ]+ u+ ]. r
咁難既=.="0 `# `# C0 M9 y% c4 z9 K2 [
, x7 p$ O! q% b# l5 g7 g
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]
  {# _* G2 L* U( p- n0 s$ U" g# ?$ _, c
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:5 l4 b1 @$ P5 W2 g% F) W
第一個答中有獎
& f1 P) b/ W7 S6 t+ ^# J+ `- `6 t+ z* D- V$ I, Q4 Y& X  |
(x - ...
3 @* c# E+ C; I" S* T7 F5 M
7 T" `+ i; L& X5 d' u(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:
. R. ~& P- R7 @
5 ]: A$ u8 j6 o3 I7 V. e  x( a  c' A! n' l
(x-x)= 0 ，所以答案係0，is it?
# o: x8 P1 T1 ?: E+ \) t, p- i

4 P+ J. r2 ]: J/ E0 g- I2 X" ?8 J5 N
唔似a.math題
$ D% `- w" Y) l3 a+ k似IQ題=.=# M: F/ ]: `1 {( A7 Q9 K

2 e) u* @* Q6 N$ v7 c: p[ 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:
/ L0 Z0 t4 ~* H* s7 t) p. U) N# `: w; E

/ s7 {1 a+ O; `4 x(x-x)= 0 ，所以答案係0，is it?
6 w$ A5 G4 K" y0 a+ d5 g4 h" n6 D8 _' q6 A$ B) `) T# |, X% i5 i
Bingo~
作者: waikong    時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過5 s* m& \" |0 ?6 Q, s
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.........
; u3 b1 `$ R& B" _" y. r: g' n% d5 [) _; k' X; a
這條問題，貼落吹水版，名副其實
; f, d- O2 {" g% o
: O6 _+ E1 ]# d  q( D[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]



歡迎光臨 娛樂滿紛 26FUN (http://26fun.com/bbs7/) Powered by Discuz! 7.0.0