| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎) [; n+ _# i4 Y% C. e

; s2 X, ^: B# |! z9 s5 K. N; P8 O6 W(x - a) = x - a  A2 S& x( P# z+ e; E6 a
(x - a) (x - b) = x^2 – ax – bx + ab
7 H2 V! d, Z) Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  `4 m5 v- B/ ?; n(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 p7 E, q, Y7 T: w& y7 j) L如此種推，/ D; X! O/ M: {4 X
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???7 U. G$ \" Y9 Q0 V5 V# s

4 r" Z! u3 G3 k# r4 x[ 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:
/ |# ~9 Q+ Q4 g8 [(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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$ t" W5 E) x4 P6 y3 `  d" _7 X+ L) f[ 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:+ P0 ?% F8 M, U7 q( r4 S
咁難既=.="1 T8 ^3 Y6 G$ M( X7 w

" I' @' f( F/ m& ~- k[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:' f7 X+ E4 f* s' y2 {
第一個答中有獎
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(x - ...

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(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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0 Z8 y# b; b. K" s' n3 A$ Q(x-x)= 0 ，所以答案係0，is it?

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; |  r* p; B/ d% h% C' z: j唔似a.math題
, M+ R6 k7 _: E似IQ題=.=! |9 A; ?/ s2 v: W3 [* k
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[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過# ^8 @$ F' \" R0 F3 |; \3 h
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' n! {6 H2 ?, R( V: V

) i5 C! H2 U; \" u0 Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]