| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎( j# ^7 j- x3 g6 u! t

' d9 C5 k4 |- B3 B% b0 e(x - a) = x - a9 i8 S0 h6 Q; R" Q
(x - a) (x - b) = x^2 – ax – bx + ab9 f, c% f% Z1 W; L1 F  y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ ~$ ?2 q1 Q0 d  u7 y8 y# s
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 I8 X6 P& s- {% r% D如此種推，
" O1 _0 A( e: ]$ q6 w3 U(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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4 X" u/ p! w: ^' K4 K- J[ 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
2 B2 K) Y7 _& ]! y

Originally posted by Triangel at 2007-4-18 01:26 PM:3 V. g& l% O; M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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: P# D" p+ j0 D[ 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 t1 W$ x2 F9 Z
咁難既=.=": h$ ]' i% X' E( d

% B8 s4 l- ]3 o/ H8 p% z7 f[ 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:5 o7 N4 W  [$ o; M* ^
第一個答中有獎& n0 [! A: i' Y) h
+ t) p# |0 i' X
(x - ...

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2 u; Z( S) G! q8 s% c- z(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:0 V6 U0 Y4 h; u4 [& I
( F& [7 }7 p: J# v

$ j! I- l6 v3 i) s* H( O$ z(x-x)= 0 ，所以答案係0，is it?

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- d% b) s! u$ D唔似a.math題7 N: q" ~9 I# ?* u6 ?) |! Z( ]. ^
似IQ題=.=6 o( p9 q7 A$ j! h
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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:; s3 @9 O+ n! j9 g# Z: h

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(x-x)= 0 ，所以答案係0，is it?

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. @: b; n% P# F3 R  ]5 i  C) u4 K# `$ eBingo~

waikong

我係學校個學生會單張見過- T' H( a2 U+ }* ~$ ~
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.......... b8 n6 J4 k  S. S, |) L' G# a
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這條問題，貼落吹水版，名副其實* i. @# y7 O: W) \" d% ^+ @

; O$ M% T+ Z, e  v[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]