
A.a=-1/16,b=3/4
B.a=1/16,b=1/4
C.a=-1,b=9/2
D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]A.a=-1/16,b=3/4B.a=1/16,b=1/4C.a=-1,b=9/2D.a=1,b=-7/2
[单选题]( ).A.B.C.D.