| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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; X& [7 u; D4 H  E3 a3 O2 [! M4 V(x - a) = x - a
! Y4 n. H8 ~4 Z3 q4 ~. o% w(x - a) (x - b) = x^2 – ax – bx + ab1 n3 w3 o1 @, v4 j7 U: f
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc! |6 p0 C4 K* x& z8 b( F0 j
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
: `( M0 k" h1 Y7 v如此種推，
$ D/ p. o  W5 z* \% e: n(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???* D/ }! {5 T2 d, d" |" B0 r) g4 {: y

* r" {8 B3 M5 X! i; f% n[ 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:
* u$ u$ s- Y8 O(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc. A( P, S, t& j0 E3 M5 u

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% W. M2 c  q3 u* I, E[ 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:" W  ]0 B% O% c9 }8 X
咁難既=.="
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8 |: K0 c* @) v9 A[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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: o! m$ W1 }& I% @  r% |5 EThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:9 w% M; X( b, p- P3 l
第一個答中有獎/ R+ B1 @$ N! S9 ^" P
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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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(x-x)= 0 ，所以答案係0，is it?

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* q! K& o2 C) X( f唔似a.math題
; C; y3 D, K/ {似IQ題=.=
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- t- b6 p8 k3 _4 H7 O4 [[ 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:' o1 o% ]6 @+ O  J  J6 N, ]
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9 ~7 m0 V# ?$ `$ m: h. H. T(x-x)= 0 ，所以答案係0，is it?

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  u4 t8 T6 [% k1 W- ~6 xBingo~

waikong

我係學校個學生會單張見過, l+ w5 h( y3 H! S3 M) N
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.........! ?0 s1 @9 E. Q
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這條問題，貼落吹水版，名副其實& r3 e6 g8 B) B5 _. s$ t2 }# V/ X

/ `9 ^7 g* w: Y[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]