| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎4 }* y. q1 C9 |6 X
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(x - a) = x - a
% h" y/ ]: y. i6 c1 V6 Z* ?. J4 q4 G(x - a) (x - b) = x^2 – ax – bx + ab
$ {. a6 M" ?" O) G7 v5 U& d(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc% r8 C5 j/ m" d1 l% ?( i7 p
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 Z2 D8 a- f% v" p' C0 O) o5 G如此種推，; F4 x' T: K* }1 ^
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 R; [0 z& r% r
+ Z) k! `2 y1 _2 x; K
[ 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 x, u7 s+ j$ v1 E* @

Originally posted by Triangel at 2007-4-18 01:26 PM:
. D& V& ]9 [5 T, z7 q" h5 t. |6 Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:
/ ~+ f! I( Q( Y0 h* y  x/ J. r# S咁難既=.=") \; C0 d6 U; |- @! l- l

8 u! i- C7 G9 I* }4 z0 m) r  }[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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4 u- x0 x3 X" ^0 X7 c/ p& CThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:0 x+ G0 a. R1 v: O3 M2 S
第一個答中有獎0 k/ t4 s$ ]. g. z% B' j. U
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(x - ...

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7 x. ^- ~! H- q8 m# ^4 Y/ T3 W( ?(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:5 G! }" S+ T# Z- `* o! J, x* Q

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(x-x)= 0 ，所以答案係0，is it?

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3 X  X8 ^" i" b% \; g6 A* l7 }0 ^唔似a.math題
# w+ I4 }  L) g2 D0 A0 {9 ]似IQ題=.=
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( n+ s5 L8 _4 {  y6 U) k[ 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:& \  B  Y7 d* Q; u7 [6 \

6 C- i) B" T/ {" l% q9 L# G; U# S+ Y$ F. f, r+ m) e, d4 s
(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
; O  B$ s- P8 h# q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.........; Z+ D& X2 {5 j8 g0 H  z) e
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這條問題，貼落吹水版，名副其實& V: m9 E& Z# \+ c

- q  j1 I+ s5 `$ K" I) \8 y5 `0 m[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]