| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
1 T& _8 B8 [4 W. L; U" H. O! W- m0 T
(x - a) = x - a
: m7 C: k/ {- i7 @(x - a) (x - b) = x^2 – ax – bx + ab
/ B/ D2 O3 n0 e2 n" X(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc- Z# J3 p8 Y$ n, R  b8 C: Q
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
! W7 I" F& o- _  K3 L6 q如此種推，
8 g$ I! Z/ G' ^5 m9 G(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
& A+ {2 y) }% d4 V
7 C  L! J( k) j+ y3 @- }[ 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. |/ X+ j0 \6 I' F: b2 @9 u. x

Originally posted by Triangel at 2007-4-18 01:26 PM:
  Y) q8 x' q. N/ L7 x( T(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
, [7 n9 a+ @6 x! X& Z& `/ q/ a( r. s8 d* h7 X3 Y

5 Q2 ^8 V1 P: z0 G$ \2 i
& n( W  @! x% O0 Q! w  [+ n, a! \
[ 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:, @6 M8 Y- \: Y
咁難既=.="
0 n" k; D. a1 Y* j: M9 i% _7 e4 X4 i2 f3 m2 b0 h
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

) ]% U/ |9 v6 g5 Q+ ?, Y1 E& [9 F/ v5 o+ a8 u* p" a3 A
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:+ P/ O1 k. P5 k8 O0 T7 L
第一個答中有獎2 z$ A  A0 J% K9 o  Y0 c$ V4 C
3 \7 L: I# C% r) A- w
(x - ...

9 A2 I) J% s6 T: v6 q$ ^. ]7 X
# P) f* W+ m: ?. U" {/ B- V(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
& s0 ~. k- J- f- p9 @* Q, V$ F" ?0 M: F7 F. u) k1 s4 c# S' e

' l2 @1 c& g* w9 Z6 o3 M# [* U(x-x)= 0 ，所以答案係0，is it?

- q9 q1 V8 b8 J7 r4 ^) F2 v' s

6 Z! h! I8 f; l2 n# x0 }( n0 f3 B$ y) t1 f
唔似a.math題
  o' r- u' V/ d6 w$ u似IQ題=.=/ s# i) n0 J) D' |% q* Q+ O

+ r3 R% t, J8 Q/ c[ 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:
  V+ Y4 _: ^2 ]& t2 F. w
! f3 H  t  B# |  g5 u+ I) G3 P  L% C! e9 z( `
(x-x)= 0 ，所以答案係0，is it?

9 ?. F+ Z" c$ f3 @) j$ V. Z+ I& Q  o7 o% t' W
Bingo~

waikong

我係學校個學生會單張見過
" B$ a( f8 ~- V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.........+ i# y9 X! k2 C) M2 O* h

& P2 x! ?; }) d/ C9 i0 Q$ o, ^0 H9 [這條問題，貼落吹水版，名副其實
$ A6 R$ B9 L  _9 l" x& F7 ?4 p$ o- |
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]