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Triangel

第一個答中有獎9 E! V; a& I6 b

1 S' w0 I$ V# O' I(x - a) = x - a
3 g  B; |, Q: e5 y3 |(x - a) (x - b) = x^2 – ax – bx + ab, o8 N" S% ^4 z# y' J$ o
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc2 \7 L9 s5 b8 G/ v/ A
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 X8 l* l- d, x2 z4 |. Y: a如此種推，
* y) c7 a- L  m8 Z(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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! p( e/ f* P. j: n  y1 u% [# f[ 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% \: V- K9 U6 p% ^

Originally posted by Triangel at 2007-4-18 01:26 PM:9 A6 A: H) X5 w
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc3 t( v& E" e2 L; e) A

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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:
/ n* O# l. o3 g+ s2 o咁難既=.="4 X$ w3 b) J) N

% L6 O$ Y. k( M! H) ]# e[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* l0 C% [" k* L' n- h. X4 sThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
: s) ], K9 j$ u# @; `3 O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:  A0 J9 H. l3 X- f7 z* X5 t2 H
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(x-x)= 0 ，所以答案係0，is it?

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+ t& m" p- G; b唔似a.math題
& V2 Q0 S  L( k. i0 r似IQ題=.=
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  r% N( |* H6 N' U8 R; c  Z" [3 Q[ 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:& |' g# O" R6 p( `3 \4 ?( {; y

# V+ X' a$ s5 A* Y3 N" X
/ A9 Q3 F) l# f/ T(x-x)= 0 ，所以答案係0，is it?

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& h* \6 ?' ~6 u' ~7 EBingo~

waikong

我係學校個學生會單張見過
" i# J' _. u) q6 L) w1 x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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# C: y0 d/ J$ @: G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 ]