| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a8 e: |% s# a4 j( a2 N  T
(x - a) (x - b) = x^2 – ax – bx + ab7 S1 u% v+ N* B( V- r% f& v. \
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc: Z2 b  @; H5 R! _+ c* H
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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$ C# y0 Y3 C/ A; ^5 F- C5 t' |. F(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" b! d; N! ^7 E, t* G. w  s

Originally posted by Triangel at 2007-4-18 01:26 PM:  K/ ^: x9 P! Q2 e7 x2 u  K
(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:
" s1 g5 I/ E( @8 c2 Y) f& e咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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. U* L- C8 g) _8 M2 h) uThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:; y9 G: ?. v) a$ C' ~
第一個答中有獎6 S( ?+ b2 C7 J, ]% B& k1 {

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# w0 c, r7 M' b5 `# e2 t- C) Z(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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6 }- |4 S5 l6 S唔似a.math題
1 X+ z& o& Z& h9 O2 t2 Q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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7 c  c9 b1 B; b3 F) l$ ~3 H  {(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+ B; ^% Z3 H* p/ O2 `8 i
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........./ q7 I. P9 \* h
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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 ]