| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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9 n* Q' [3 \. L) q3 i- o(x - a) = x - a
, o6 \+ C& z% A* Y9 f6 }& T) ~% W7 D(x - a) (x - b) = x^2 – ax – bx + ab% W. L0 Y5 m$ }3 Y- o
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc6 b/ I* F6 ~0 h" c+ x4 s' b
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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* J6 u, ?) C& g% ~4 e+ j+ {" `(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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* i9 b) g) Q' F  O, b0 B/ a5 k[ 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:
9 s  R4 V/ r7 K- X4 R. |( r$ }(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 g- r4 q" }4 F* B  Z
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0 `/ Y  X) x/ o5 r! I9 `" p[ 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:( @8 ^, o# b/ P. f+ p7 M7 B- h2 |
咁難既=.="
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) p+ R* D, m. W[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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- Y/ O6 X( U3 }" F% C! QThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
" O+ j' n8 x2 s5 ^  H: Z; ~& k第一個答中有獎: j* s. J/ B! ~: `1 M- q5 D: b

( F& k1 Q0 ~, a9 U& v9 c) s% B7 U(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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7 D1 ~3 ~5 a8 w: |" \(x-x)= 0 ，所以答案係0，is it?

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( d4 i- x/ x* b6 w* z唔似a.math題
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: f6 W6 r1 r( U9 }5 v. u- _/ s9 p[ 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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Bingo~

waikong

我係學校個學生會單張見過
; d0 R4 w/ H7 L4 e0 D9 k+ }$ s2 y8 p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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4 o- b' T" z* q. O9 C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 ]