A.12
B.14
C.16
D.20
[单选题]( )。A.12B.14C.16D.20
[单选题]( )A.12B.14C.16D.20
[单选题]( )A.12B.14C.16D.20
[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(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.12B.14C.16D.20
[单选题]( )。A.3B.5C.7D.9
[单选题]( )。A.28B.24C.14D.13
[单选题]( )。A.36B.72C.48D.70
[单选题]( )。A.2B.8C.9D.13