A.0.354
B.0.204
C.0.304
D.0.564
E.0.654
[单选题]A.0.354B.0.204C.0.304D.0.564E.0.654
[单选题]A.正常数B.负常数C.恒为0D.不是常数
[单选题]A.正常数B.负常数C.恒为0D.不是常数
[单选题]A.条件(1)充分,但条件(2)不充分B.条件(2)充分,但条件(1)不充分C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分D
[单选题]A.0B.1C.2D.3
[单选题]A.条件(1)充分,但条件(2)不充分B.条件(2)充分,但条件(1)不充分C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分D
[单选题]A.0B.1C.2D.3