| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
. C1 R6 B' t1 B$ e: _1 X6 e(x - a) (x - b) = x^2 – ax – bx + ab$ m" I6 t: A- a
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
# U/ ?- K  e( @! C(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(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:
2 V) Z) B5 i% h9 q4 |8 L(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc  e. Z* K$ v0 p

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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:6 C4 T. K* U/ ^2 `( [0 R. ~- Z0 O
咁難既=.="# F1 D% U9 K, p5 v! }
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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:
  D2 p0 A) D7 `; t( f$ {. {第一個答中有獎
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2 b0 C5 V0 G: G3 }( {  Y(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:2 N! F4 j* e. m

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1 }: z: e2 u0 Y/ s(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題5 o' k4 {/ a5 m" m9 E/ ]
似IQ題=.=8 ^4 s2 D! o; q  e2 ~
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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:# N0 E+ G; X% w( S0 K* M. o

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(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" ?3 G6 m! K* C# T* f" X: F
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.........* ^% Z1 T9 Y, ~8 _
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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 ]