| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎( d# k1 ~. Y! l" F. D9 T" n% F; h

- o' m5 I# V' b) r6 U( B9 }( V(x - a) = x - a8 j4 M' M! Q/ A0 ?) N8 P2 @# b6 o
(x - a) (x - b) = x^2 – ax – bx + ab8 B$ h. x, l$ x( X3 U
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  [/ t" I" d. f* ?! W- T(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. a. O& s. Y8 b% q如此種推，
* c9 V% X1 M, W! B, z# ]2 s(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???2 ~5 ^) @6 i/ e
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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* `2 t% R( b9 j% p6 _' c5 X0 U4 W4 m2 }

Originally posted by Triangel at 2007-4-18 01:26 PM:
4 q/ s, C; b. x) o0 ?8 L% `(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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& {  _& |5 T- u* N. N[ 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:- m* u0 x; a, K' D; H; T
咁難既=.="
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! w1 p. [) g0 ~1 \9 A! X+ C3 M; A$ c[ 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:5 C4 ^, T( }) T7 |
第一個答中有獎
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(x - ...

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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:
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(x-x)= 0 ，所以答案係0，is it?

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5 X2 s8 ?) V1 r( n% n, \9 f5 C* c9 [; H" Q8 ]) {
唔似a.math題, R/ w5 i, P& H7 |: ^, v. R  ]
似IQ題=.=" f  u% S: R: q" Y# s8 F
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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:; ?, e& a5 i/ _
( H, @/ }) I; K
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(x-x)= 0 ，所以答案係0，is it?

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  ]; J: g4 o$ }; X, I1 J: X& iBingo~

waikong

我係學校個學生會單張見過
3 P3 _$ q0 W. O# s3 v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.........
4 Z) T7 p3 Q5 X* b# r# V& V
  r3 ^% o" a$ n& u2 `7 q; R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 ]