| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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3 X& t1 x6 Z) v% L" R( p: q(x - a) = x - a
3 P3 Y4 g0 m" I$ h$ W(x - a) (x - b) = x^2 – ax – bx + ab
3 K9 M7 q0 d8 O(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
0 A0 R- a- x& z6 o8 q4 F* k& A/ o% d(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1 m1 K& m2 @; m7 W- D+ C

Originally posted by Triangel at 2007-4-18 01:26 PM:* L" F* p0 R9 a6 H8 b
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( E; }4 E' l9 a0 r- a" \0 E
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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:
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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0 ?& C2 }1 ~( k, F) VThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
0 D  A$ B( ]6 r' a  }第一個答中有獎- o1 X6 M. O1 o) |7 O6 s

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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:. r1 @) a2 k0 M+ q8 ~+ K# G1 ^
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(x-x)= 0 ，所以答案係0，is it?

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/ w1 t) s. r7 N  Z唔似a.math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:# g9 X4 i& d/ n/ d) j) u
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(x-x)= 0 ，所以答案係0，is it?

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  q! l& s" J: {7 f: e$ k( Z' U7 G1 UBingo~

waikong

我係學校個學生會單張見過
3 {) @$ W$ M* Z& b1 n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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這條問題，貼落吹水版，名副其實
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; [6 e# Q5 y8 D2 R! j! i0 f% O[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]