| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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, ?; M" s" I* ]+ I1 O3 n% C(x - a) = x - a
! Y' g3 l$ J% D7 c! S, L(x - a) (x - b) = x^2 – ax – bx + ab
3 f' K9 @& k9 G4 j5 u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc3 Z" t  f7 d( j5 S0 e
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, B5 _; W9 ~7 f如此種推，  j/ p, Y- M. i/ |2 n& ]0 }" y: k; D
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???. h% S/ b7 {0 k8 d  J

, M  E0 c/ N( B/ N8 ~3 \) n( O[ 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
+ ]5 g- t6 q, |1 b2 E(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* G( H8 \. ~  V
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[ 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 @8 m; e3 D( ?# U  Z+ g; J% H
咁難既=.="9 t- {6 M4 i9 x( M7 U, L
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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) X# }0 t  ^$ P0 X  XThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:! C1 j* \) c( ^9 G' X# ^5 O7 Q
第一個答中有獎5 `0 S/ P5 c5 z6 D$ z

& \# B$ f7 ]; x(x - ...

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. W  K- F$ }) E* p) S7 r(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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. _- O4 }( ]8 r" V1 m8 U(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題3 t+ h3 _. I+ U$ ~% }' x7 Y
似IQ題=.=
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9 t6 M! K% @4 {/ j& @+ l[ 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:# w0 U$ `  u2 g( U2 {: [' Q1 n- P
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(x-x)= 0 ，所以答案係0，is it?

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* e4 `+ }* o7 i0 S$ k& f! gBingo~

waikong

我係學校個學生會單張見過
3 K% Z7 u" l" w* W) N; ~& H/ e8 I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.........
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]