| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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8 L. a# [& P. J. ?& E7 O) g(x - a) = x - a
0 c# q. X$ X5 F  d1 U, o(x - a) (x - b) = x^2 – ax – bx + ab
5 A: @* w1 G$ \7 v2 Z* G(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc7 W0 A: A& r$ _/ h+ H3 |! `
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 l# a! ]" g9 z) Z如此種推，
) X+ C5 k/ e- |3 Z(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:% D. y  ^! e+ Y) |1 X
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc' q# l; |. `0 q; b4 S
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8 c9 e- o& ~! G- k& _7 i- R# a. ^[ 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:
8 ?' K7 F: \/ v5 o1 C+ e! e! k咁難既=.=") k8 X: j+ V, c+ |; _$ j- w

9 k2 b; B$ G; V. H7 r6 A[ 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:
- d$ t" a4 K, r$ @! a* [第一個答中有獎8 D% R, {0 E7 D+ @0 d' ]8 j
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(x - ...

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2 K. ~8 L8 y& }2 G' o3 `# [5 T(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:" X0 r1 `! \  Z9 B$ h  S2 D
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0 |: ^& v) X' r(x-x)= 0 ，所以答案係0，is it?

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, k1 k+ d" K, ?/ S唔似a.math題; E8 N, ^. d( T6 w, z
似IQ題=.=: Y: P! E' y, j1 Q9 e7 V% ~4 c. H

; q1 k/ W/ A1 ~. O! ^: l[ 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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(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
* v4 H, M! \) \; x; 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.........
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9 z! @- u6 ^* A3 H. R這條問題，貼落吹水版，名副其實
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. E; T: ]; o: J) Z; i[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]