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:
7 P5 a4 z6 T2 b2 D5 ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 q- J" j# r3 h1 ?! H

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[ 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:* o2 G5 H5 z0 i6 ~6 r
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(x-x)= 0 ，所以答案係0，is it?

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8 G' y( ?* K( B- c0 X唔似a.math題
: W: W: Z7 p( Q7 ]- M' f似IQ題=.=
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* v! U9 x2 L% k8 D$ Q[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]