| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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0 x# k, V/ y& X3 K' i7 L(x - a) = x - a; c- ~2 Y; P, _. _$ q, w( {
(x - a) (x - b) = x^2 – ax – bx + ab& ~/ \6 g4 \9 J, ~4 Y- P
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 l; U$ j8 c0 j) |' n(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
: x# F; O, t/ {, [1 N; d" m% S' l  A如此種推，4 }0 Z% Q# b7 j  s  n0 E) X
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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:( T9 L/ g) w. b" ?( ?3 x
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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+ j' J' M  ]% ]8 _( E3 C4 }[ 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:7 o: W3 L0 |8 D1 R" ^
咁難既=.="+ }  T! }( ~# W# P

# J! j0 a9 ?# t$ T: i2 X! R7 S[ 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:
# F, M* ^4 j1 s- r& _0 L# q+ s% s- [第一個答中有獎$ i# k0 ~6 d/ P+ A$ b: t
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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:7 P" N% h* Z- _$ q; {9 h" y; ^
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4 g3 L- A8 G. M7 v(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題" s9 {8 b; A; U, N
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:
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6 R! B) ?: L. B9 j0 l+ x" V' u(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
- u# y! O- s. t! @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.........7 J' k* R) y+ u$ ^8 K

5 l+ Z' a& \+ B" Q- Y" S6 }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 ]