| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a4 ]8 w; ~+ n: A8 F; a  ^) `9 N/ P
(x - a) (x - b) = x^2 – ax – bx + ab
: t# F  S6 Y5 `! E(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
; q. u% V5 E5 y9 k0 O- i. Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
" i4 c4 S' ^$ N, r( z" h如此種推，
5 V# f( T8 n2 b0 P0 e0 z) x( \& `(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 w- d/ E7 y4 ?- b& Q7 s& h
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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0 O3 Z. `9 L9 Z) i2 [0 S

Originally posted by Triangel at 2007-4-18 01:26 PM:
& S7 p- V4 F8 w5 s(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc; ?! w( n; }2 o8 ~! g
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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:
* X3 K$ J7 G8 x: B* t4 g# z0 ^咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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9 q/ \$ J- C$ c! V; A) U; Q9 vThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:8 j, x7 _' _( Q  l# r/ Y
第一個答中有獎7 X8 Z6 f3 ^" s# Q
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(x - ...

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( L/ {9 u1 K1 P(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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/ N/ C' q! y7 {2 \(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
' E  u2 \8 o6 ~1 P* F' e0 A似IQ題=.=# W, }; J5 z8 l3 W* s4 U

4 y3 O1 X. Y) g! S+ U0 ][ 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:
) \0 I, ]0 I' M# {6 _/ i' _
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* B' w4 m/ o  p. \(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$ ]2 _1 I2 {3 `2 m1 \) k
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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0 s0 e) V' g4 m) }" n這條問題，貼落吹水版，名副其實
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$ @7 c5 l# R7 o2 N& g$ w* m[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]