| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a2 o% r' V- l/ V/ O* j
(x - a) (x - b) = x^2 – ax – bx + ab/ j: O+ D4 Q. x+ R/ F3 q& w
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
- A6 m1 \% q. T- g# R(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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- ?9 g5 i6 I0 i( S7 [" y7 |9 C[ 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:
8 @# m& g/ P/ `  _. M(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:9 g8 W) i& X3 M/ d6 z. l* S4 F3 {
咁難既=.="
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$ W) X+ S; M6 W* G% ?) U. L* I[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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/ \. b$ U) j, O6 B+ [Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:* g3 n0 g' n" N. N: \8 F
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
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9 H) U1 }7 b3 \4 A[ 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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; J: O" d* ]5 V# ?0 @1 i) A
(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
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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.........
8 v4 ^5 @& ^9 C7 v: J5 A" U! q: q8 U
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 ]