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wangxinling: ½ð±Ò+20 2012-08-29 21:12:22
ÒýÓûØÌû:
19Â¥: Originally posted by wangxinling at 2012-08-28 21:03:26
a1,b1,c1,d1,a2,b2,c2,d2,a3,b3,c3,d3Ϊδ֪Êý¡£
d1==1,
a1+b1+c1+d1==0,
a2+b2+c2+d2==0,
8*a2+4*b2+2*c2+d2==0,
8*a3+4*b3+2*c3+d3==0,
27*a3+9*b3+3*c3+d3==0,
c1=0,
3*a1+2*b1+c1==3*a2+2*b2+c2,
12* ...

a1= 2 + a2 - a3,
b1= -3 - a2 + a3,
c1 = 0,
d1 = 1,
b2 = -5 a2 + a3,
c2 =8 a2 - 3 a3,
d2 = -4 a2 + 2 a3,
b3= -8 a3,
c3= 21 a3,
d3 =-18 a3
21Â¥2012-08-28 21:18:59
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