| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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! Z8 L& G& R2 ]0 \(x - a) = x - a
: x6 H& p7 n" V( Q: o(x - a) (x - b) = x^2 – ax – bx + ab- ?# H( g' v0 ?1 }6 }  Z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc' W* i: ~  z; k6 K, Q% l
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
4 r, x, H. b" j. r如此種推，
7 l5 Y* V) }) e(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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. d2 |* u# X/ j1 s[ 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:
  K" b2 T6 f8 Q- g, H4 K(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc; u8 Z8 E# U* M1 [+ y/ ^3 p

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. [3 y  J6 M5 n, n7 k! u[ 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:2 W; c' v) n9 F9 ~% C1 L' Q
咁難既=.=". E: c7 b# I4 S5 a- Z. l- C; f
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[ 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:/ c0 x# u4 h: n+ R* ^/ g4 n
第一個答中有獎0 ?0 G. M) q8 ^- J# d

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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:. C, J2 N1 B" r7 E9 y
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(x-x)= 0 ，所以答案係0，is it?

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, J9 z) ^& K2 g1 m% G% K7 j唔似a.math題
# g) b7 B8 B# ^% j' ?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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(x-x)= 0 ，所以答案係0，is it?

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7 l/ z0 ]0 M" E- ]Bingo~

waikong

我係學校個學生會單張見過. S4 a: E& B2 d
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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) M0 \7 `$ ?( G/ t# M3 m, q7 N+ M+ `這條問題，貼落吹水版，名副其實' n% x# r; f6 _$ ~/ }
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]