| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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# Y  r; B: D% [7 f(x - a) = x - a7 h; H( g& `9 b) L# ?
(x - a) (x - b) = x^2 – ax – bx + ab! J1 H: v) Q" Q$ J
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ q$ M0 ]# P' q, C2 E
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
2 d7 A7 t0 S% C+ _2 I0 H如此種推，- r3 L6 U" i8 I% O6 }/ S. {% L
(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3 q) r1 }! O5 d

Originally posted by Triangel at 2007-4-18 01:26 PM:
) Q5 Y+ Z2 [' O$ Z& r(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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3 a1 \( z! @8 i# A* e( P[ 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:4 F8 ~% `" f) [# K
咁難既=.="
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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" ?1 X; K* q# ~3 c: K" X% r5 d% ^第一個答中有獎7 g# G  R& Y* B2 H) T

) c. v3 T5 |% @; h+ m(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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! Y4 S) l* b6 }3 e: u% s(x-x)= 0 ，所以答案係0，is it?

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7 P4 O% @7 i( V. ?! _+ Y3 P  d; ]$ k唔似a.math題6 x9 p( _  s6 y; d$ H
似IQ題=.=: F1 p4 F9 L/ v  X! W

6 Y* {- ?* w- v) p/ z( l" v, h[ 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:! M. U7 i; t3 r

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' f4 B, `  W9 A  [(x-x)= 0 ，所以答案係0，is it?

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3 g! V; b9 G  b5 Q$ yBingo~

waikong

我係學校個學生會單張見過
3 y' z9 F6 F. G, y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.........; E" ~8 G+ t  R% k( j1 ]

( s- L8 Y0 q* I- m$ G2 k8 s" i6 j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 ]