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Triangel

第一個答中有獎$ d' v' l3 y& N$ r7 t  t

: J0 N& N* j5 v' V, }(x - a) = x - a+ C% A8 g0 |7 N% ]8 w: K  h( |
(x - a) (x - b) = x^2 – ax – bx + ab
- @3 v. f6 d4 H0 [(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
) |$ j; `% B; @(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
) ?! Y% H! H; d8 C如此種推，: B  R8 B  d9 {3 W( x  U/ g
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  i4 R/ H. ]8 c. l7 M/ u

* h. ?% H5 ^/ z' C% t0 ~) y% 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:
2 \- N. O) S) m1 Z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 d; |0 L4 `5 J& U6 n! k
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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:
; j8 r* |& o( t咁難既=.="* ^1 i/ h& V# M' U. M0 g* U, G

" v( d, Q. s& @6 J2 |[ 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:* @! q9 n( Y3 }9 \8 L
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:5 a8 p) T+ a  d: |  v

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. R) ~$ |5 [# E' q(x-x)= 0 ，所以答案係0，is it?

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+ _. j! f) h) }" n$ y6 ]6 L
唔似a.math題
0 P8 u5 a4 p4 \# i% R3 }似IQ題=.=
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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:1 Y7 E6 |3 T# c8 e" \2 C2 H# w

0 h# B0 n5 b4 [7 A% |5 B' R7 q: Y) Z& z1 _) y: E8 Z
(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
' c7 v7 M% l% j- g& f' t/ l4 A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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; x5 q. C+ y  k0 _* l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 ]