| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
  U9 Z# u5 r% y- l1 z(x - a) (x - b) = x^2 – ax – bx + ab
" `/ i# x8 `! J6 R* N(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc8 H" r% `8 E/ R, [6 [, }& F
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd- `& U& O" C! p& `: m
如此種推，
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# N" a8 L/ ?2 E4 e/ S+ |, V[ 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- ~8 N( R7 Y2 [0 B8 e( ~4 `# M

Originally posted by Triangel at 2007-4-18 01:26 PM:7 C1 N4 O) n6 U) g8 e* {0 F  E0 @
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc1 {5 b2 Y5 k& Y3 @; T2 Z+ _
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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:
  f6 I1 r8 f2 K% c) P, V咁難既=.="/ }2 x/ H$ V  K6 R- X9 Z% W

  T% y( J( H) Z5 o' W) P; m3 l- [[ 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:
7 m; D4 ?# n& |& E' |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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" Y8 b: `+ E6 Y+ d! t(x-x)= 0 ，所以答案係0，is it?

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$ o$ e* ~( u5 v) @/ K% K唔似a.math題
& T8 N& m6 e& }3 N似IQ題=.=# [9 ]: L5 [% ~, {+ F8 x: b; D3 ?
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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. O0 ~7 g" F3 E- b  @(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
0 i# j* h" f/ ]* @/ o! 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.........) V9 Z, s0 [" \$ b" \; @$ Z& Z9 P

8 L$ N0 e' [! X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 ]