| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
" N- ]3 j! z( m" @(x - a) (x - b) = x^2 – ax – bx + ab  j7 r  }1 Z7 q# c4 K
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc9 q& i9 |# Q1 O) L7 z+ B
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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+ B! p& G2 q+ L' o8 a$ a7 r$ y(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???1 _, m4 i& f# b  e& k
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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& i  ?* S+ A; ^) X) m

Originally posted by Triangel at 2007-4-18 01:26 PM:
# q" ~/ D6 x. h) q7 A" r(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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" ~( C9 p/ V/ m, W0 r' W0 V! G5 D[ 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:3 ^' `) O" G7 j( h% ], T' V" ]3 F
咁難既=.="
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; I7 F& C; g0 `6 F[ 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:
* k( i- d, A0 }* \. @7 ~第一個答中有獎3 ^/ V- J( Y" E$ B" F; Z$ ?  p* E
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(x - ...

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3 @7 x: @  [3 O' u(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:3 c; C8 T) H9 x  n3 K! \8 H

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7 d7 ]! ~9 ]7 _( M6 l4 O(x-x)= 0 ，所以答案係0，is it?

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# Y7 l+ g3 \' _唔似a.math題
& u2 g' v0 X4 X; t似IQ題=.=9 I4 ~# r* B  A# k, j
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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:- z; @$ V3 C/ m4 s. M. a* v/ Q

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(x-x)= 0 ，所以答案係0，is it?

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) Z6 z9 ]) }, K1 ]Bingo~

waikong

我係學校個學生會單張見過
7 F5 N8 e* `* N9 G$ U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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, x1 T9 }! @4 S" g4 }這條問題，貼落吹水版，名副其實
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' H- Q: O4 y, v- [$ h; Z7 b[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]