| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
$ o% s% T. H5 S2 _9 g: X(x - a) (x - b) = x^2 – ax – bx + ab
0 m4 L& [2 R9 s) [0 J(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
- B: g5 l  d0 Z3 U+ L$ g4 T$ Y(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd: c7 C5 U; V1 o$ Y; _+ j" M! A- q
如此種推，
+ L1 G8 E1 b3 u2 J+ Q(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
0 ^7 B) {. z/ O+ c- ?

Originally posted by Triangel at 2007-4-18 01:26 PM:/ j( G; V, q) z- }. W; O- ~
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 O" q  z- w9 \- j$ w

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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:
' T% j( o6 K! }( u6 u9 g咁難既=.="
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- A9 r: ^7 F) i8 _[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* g/ }+ X/ q% V3 r% J# d. tThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:0 A, o1 }# ]% x3 @8 I; W/ A' g
第一個答中有獎  z1 h4 D. N0 ~  |; Q: K! {5 j

$ [% f# F8 u* l. g4 ](x - ...

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0 \; m5 j+ t1 r5 l(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:& w, A1 H+ d' g+ B2 f, H: \

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" O3 F0 l6 ^9 C2 g(x-x)= 0 ，所以答案係0，is it?

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9 _& f1 `  t6 Z: x" g3 ]( A9 \唔似a.math題
. c8 w% k; d! w" e9 f: T, B似IQ題=.=
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. z7 k4 @1 r0 t7 D3 T( d7 f2 |[ 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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2 [. ~7 D: r3 `" y" n8 z(x-x)= 0 ，所以答案係0，is it?

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7 G6 D" M" @% y9 y6 |8 wBingo~

waikong

我係學校個學生會單張見過, G  P8 A& T, ~5 S- [2 m5 g
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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( i6 F4 I' Y. b" B* J4 j5 f1 x這條問題，貼落吹水版，名副其實
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% z) m+ x) z+ k2 I- R% U5 M8 v[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]