
A.3.2cm
B.3.02cm
C.2.59cm
D.2.89cm
[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)和条件(2)单独都不充分,但条件(1)和条件(2)联合起来充
[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)和条件(2)单独都不充分,但条件(1)和条件(2)联合起来充
[单选题]A.2588.2B.48.95C.-48.95D.-2588.2
[单选题]A.2588.2B.48.95C.-48.95D.-2588.2