大大

點解你個問題好似有d問題. v4 U6 s% T- V" O1 b  g4 o

Originally posted by Triangel at 2007-4-18 01:26 PM:0 J2 f5 W1 y3 y6 s* L* C
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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4 g. d  s* M' E. B[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:/ a) X- B6 B# Y4 A5 T1 f! R
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+ X& m* Z4 ]6 F0 C, K" n+ y(x-x)= 0 ，所以答案係0，is it?

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似IQ題=.=! G7 s8 `! {1 k, @1 W/ [5 o
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]