| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎" G% M/ Q: n! y( b
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(x - a) = x - a
' f  e8 Q3 M( k. c& L(x - a) (x - b) = x^2 – ax – bx + ab! ]( W" I0 j9 S; T0 q6 T& G* I/ {
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc) t: A& X& d; f" Y# B- ]
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 m1 i1 h4 t1 g- o如此種推，7 X' Y0 T3 X: _& w6 \: v- ^' D  v  q
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???( p3 v/ N/ I6 Q' j: f% Q; V7 J

% O, H+ s; z, S. D' j$ @[ 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:7 J1 V$ ?4 v0 E5 V3 `: Y+ q
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:
: x/ `1 @- o! R/ \9 [9 I! {咁難既=.="
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3 Q; R/ Z3 V( K& z) t/ y$ l  }7 O[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* U. p. F1 `2 r% l+ J* i* cThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:5 E; N2 G4 z4 v* p5 m: `1 A
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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唔似a.math題
6 Y- W4 p1 F- I4 Y7 O似IQ題=.=
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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:
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" F" u% N4 P9 ~" l: w2 |6 ]8 _(x-x)= 0 ，所以答案係0，is it?

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8 N6 V& V: n* [3 O" S- aBingo~

waikong

我係學校個學生會單張見過" j. s, U) C1 _5 R5 I  e; r
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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9 s* ]5 S0 K6 W/ O" E$ d[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]