| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎* I7 w4 T! k8 u  H1 m( r0 X! k
) t- i- @. R/ x) x* n6 u
(x - a) = x - a
3 G" c6 |+ n0 n5 ?; s(x - a) (x - b) = x^2 – ax – bx + ab7 d4 E& e1 A- Z) r3 S  B
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" v' f" r' g2 J! ]0 }. j$ p
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
4 m! N1 J& [  G, B+ Z( v( ~如此種推，
0 ?4 l  }, @* a1 r(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
  h# u3 N2 J/ K% i
$ M* L- V8 s' K. ~[ 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
& A" r" D5 F3 @& q6 [8 a* H9 D

Originally posted by Triangel at 2007-4-18 01:26 PM:" S( Z6 e5 T: G7 }7 M% |
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# v' P  e0 h. h

% ^! y: `# r5 M- m: o  S

5 ]4 c! q5 c7 y8 w2 h6 c0 b9 V8 k+ A/ y# s; Z9 ?
[ 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:
# |: @" [5 H, g咁難既=.="' z$ t: M& Q. o  W/ n& V4 o
8 X! J; o3 w3 ~/ u) z" M0 o, d+ g
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

, U* a% \" A1 c' N
( r$ E, B2 q, |6 J$ ~# cThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:" x0 I( f/ G/ Z* O6 q, |. M' f
第一個答中有獎
9 h5 V6 w4 h; J5 f$ a6 L% a
! B  l2 m5 g9 w7 |1 s  U(x - ...

2 J* L& W& T: M) E" Z9 I8 F
4 q# h* l$ j  C' y(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
5 n3 T6 {2 U( Q5 r
" b/ c1 L' k" z$ w# I. a# z6 s# L$ U% y3 ]# z
(x-x)= 0 ，所以答案係0，is it?

- r( X- d1 j, f; R

5 w+ G+ d: k3 }9 n* P" m( x: {1 a9 M' j# x  g6 B8 N
唔似a.math題0 c5 m0 u4 j( Q' j" s4 P, C/ k
似IQ題=.=
+ M0 E: ^% {. W4 r' _2 Y: D. _* q- N# c8 f4 W* ~1 _6 w' k  @
[ 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:
/ N7 ]: S  M' z' N0 _) T0 J5 M
" v' ]- }0 [$ U, O% c, i! |0 @* A: X7 w2 ^
(x-x)= 0 ，所以答案係0，is it?

8 o$ c" y% q2 T3 ]% D
) r) |$ N! Q: WBingo~

waikong

我係學校個學生會單張見過
% I; }0 {8 C6 V+ L! R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.........
' R3 c2 s7 z0 J; j1 Y/ l
( _3 `! y8 q/ c4 `$ d! ~" ]8 f這條問題，貼落吹水版，名副其實! c. w& _" S2 l: b( b
% \2 W1 C; A5 M7 n$ U& L" v! P
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]