| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
( q1 D# T. `+ y; H$ O9 _(x - a) (x - b) = x^2 – ax – bx + ab
& L0 G+ u9 g5 L4 V/ O(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
* |( P- A8 w0 Z0 O, k$ y- _(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 O# m+ C- `" ]' y' I如此種推，
, x& B2 r6 L( p7 b6 q, v  C(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:" a; m! ^' l: i
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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# g, m4 y) S7 m. W  ~; X4 x, z[ 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:
$ Z$ ~$ v7 _" Y, I% k( ?咁難既=.="+ e& ]9 ~  @8 p2 P9 I6 T
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[ 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:3 K6 Y( U1 _7 @- m8 B& y1 n. C  G  w
第一個答中有獎: n7 s! y1 y4 d+ U/ J

) \! _1 ?5 d, [) ?, ~2 G* v0 d(x - ...

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1 C6 ]2 d- C, V# J! ]' Y$ A, E) @(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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唔似a.math題
( v5 M. Y+ s2 u/ r/ G1 e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:8 a- a8 q% T; Q  g% |- z2 B; g
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, D# G! L/ N, {' i# m(x-x)= 0 ，所以答案係0，is it?

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waikong

我係學校個學生會單張見過6 k/ H' F% X, j7 ?  D. ^
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........./ Y; P! @0 s% f, {' Q: T' j( [# @: l
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這條問題，貼落吹水版，名副其實/ k, i/ A' ?7 V8 J. L  G0 U
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]