| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎7 w1 l6 W) y* ]9 R8 W

. L) }+ ~. M4 }; L9 V(x - a) = x - a3 T6 E& U: y6 {5 N( J
(x - a) (x - b) = x^2 – ax – bx + ab
/ L1 W6 v- u1 r: V(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
# l6 S' A3 M& ?7 U$ q; D! S(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd9 \3 ^1 m9 Y3 a
如此種推，) }/ D0 Z6 z: {" o, o% _
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
* p4 y8 X  l& Q- k0 i5 r$ c8 O5 ~2 M1 c+ ?" s
[ 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9 \! ?9 n7 z: ?( X

Originally posted by Triangel at 2007-4-18 01:26 PM:
/ S* t! H- Z" d+ Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
  n$ k  F6 A" b- L% V; A/ o
7 s; w1 k+ o& B; e8 Y

3 T3 f2 [. ~9 ^2 }
9 g" e/ b  P- @6 _$ g' X! P[ 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:
2 A; E; u8 z' z' l& T7 g* G咁難既=.="" D( ]3 z' i+ K0 t8 o5 D* H+ i

# l0 J8 g; L# t# F& Z- o[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

$ j/ h4 }* P2 N7 k7 V; p, j" n. N8 R, x, P) J& \
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 [$ G" {' i4 L3 c! g0 o) z' L第一個答中有獎
, u8 m& e" O7 c7 B/ O" \" y9 ?4 B0 X0 T3 v. Y
(x - ...

0 M* s( [8 [4 T4 |. _
: T" M4 q/ @, }5 }" `( Q9 |, h
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:+ F, I6 P8 W6 s5 X, \4 i3 P

$ J6 d7 j. B0 _' S
3 e( c! t- Y& i& |(x-x)= 0 ，所以答案係0，is it?

. _* f& E! a* b3 N' e. B% D! q( j7 c( T, L

- W2 o0 `' X- o  \唔似a.math題
- x9 H/ b7 {) ~似IQ題=.=! c/ }" s( p; X5 X' |" e! y9 v

, [0 Q- K9 i0 I9 Q3 [[ 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:; i' v) W/ I$ }+ `/ K( i. O4 J( Z
$ ~2 e: h2 g- c
0 C# H1 P5 d% ~; E  N
(x-x)= 0 ，所以答案係0，is it?

3 |3 F. f7 G2 d9 K& o  U: C( L* |% Q3 o8 }8 m4 |
Bingo~

waikong

我係學校個學生會單張見過
7 \$ x7 U, }, j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.........& {, _; t0 d1 Z

/ v" k) K7 C: Y* ^這條問題，貼落吹水版，名副其實* r" w) Q: J- M7 |+ N+ W/ ?0 E! }) P
7 H) J8 p- u: J# D) z
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]