| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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1 `! V& u/ n( s2 \, F: H  D$ t(x - a) = x - a: K; H% T$ m: ~# T4 W/ X
(x - a) (x - b) = x^2 – ax – bx + ab4 G, y; @/ a' c( [5 Q
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
0 b+ b, e, r1 ?; E9 ~(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd+ ~4 L0 }$ p4 ?2 u' V, L* g; Y# w
如此種推，
. j) ^- {/ b  X1 c) B0 A) r/ L  ?(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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3 I) O9 t0 l- O7 h8 d, {[ 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:
3 i4 e+ f% x6 j- H(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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, M8 r: l  k* @9 n0 D- S9 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:5 ~* h% b; d6 ?/ H; L1 }( n
咁難既=.="! `$ k* V, a6 q8 I9 O$ H; J2 m
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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:% n# p2 {+ r  v+ P
第一個答中有獎
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(x - ...

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8 e8 K5 @: R7 |5 \(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:8 P% @4 a1 U: f9 u2 ]

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. N+ T' Q/ N0 U; c(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
8 w* {1 I* t3 ]0 n- e9 W似IQ題=.=+ y' Z6 o7 u8 A
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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:+ \* A7 e4 H: t( I) _' Y0 r' w
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(x-x)= 0 ，所以答案係0，is it?

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waikong

我係學校個學生會單張見過1 k9 B3 i9 R" ]/ T* _
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 V) V5 s7 A& @( l% h% L這條問題，貼落吹水版，名副其實
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. d# D- e; G. f' j2 t[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]