| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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& T$ M- c7 P0 T7 b+ ^' u3 Q; w(x - a) = x - a1 D2 r* d+ Q$ O& l
(x - a) (x - b) = x^2 – ax – bx + ab
- e2 \# j* C. [( d, h% t- O5 a(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
' y4 u6 S! M3 X: L7 ?$ x5 n$ n- f$ B(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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0 _. t* e" y9 o% o/ b4 s' v' I! X(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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4 h. S) R3 Z! T. `$ Y[ 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:1 t# H& T- \% q& B
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc/ v0 T) v$ h* z$ u- e

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, |) Y& O) e+ ^[ 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 ~( p5 X8 T
咁難既=.="; |% X  ~5 k0 d# f+ l

4 R4 D( x# C# }$ z5 g; Q- Q! G# E[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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" }. [, P2 ~3 z# h; q4 zThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
" q6 u8 I: {; K4 f; U第一個答中有獎
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1 j- L3 }* p/ x3 \& z: U. e$ ?(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:# Y! N" q5 P; S
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(x-x)= 0 ，所以答案係0，is it?

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- ~" h, N& v* C, I2 {唔似a.math題5 V4 o$ `2 k6 i% U/ `
似IQ題=.=
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) K* `/ k. c  i2 ~9 Z8 D[ 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:; q2 |% f7 n) ^5 o

0 F( U6 \- A: Y5 |/ {; X7 T  R1 h' y. T. i3 `2 v& U  K4 D
(x-x)= 0 ，所以答案係0，is it?

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7 Z1 V8 t# ~! EBingo~

waikong

我係學校個學生會單張見過5 o, E  s0 y" P# G5 Z& a5 N( i1 m  L
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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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 ]