A.70
B.74
C.83
D.86
[单选题]-2,3,5,22,42,( )。A.70B.74C.83D.86
[单选题]-2,3,5,22,42,( )A.70B.74C.83D.86
[单选题]-2,3,5,22,42,( )。A.70B.74C.83D.86
[单选题]-2,3,5,22,42,( )。A.70B.74C.83D.86
[单选题]-2,3,5,22,42,( )。A.70B.74C.83D.86
[单选题]:(1/19)3×42×(21/5)2×19/24×(38/7)2的值是( )。A.2B.1C.24/25D.17/5
[单选题](1/19)3×42×(21/5)2×19/24×(38/7)2的值是( )。A.2B.1C.24/25D.17/5
[单选题]设X~N(5,22),则P(2<X≤3)=( )。A.Ф(1.5)-Ф(1)B.Ф(1)-Ф(1.5)C.Ф(-1)-Ф(-1.5)D.Ф(-1.5)-Ф(-1)E.Ф(3)- Ф(2)
[单选题]1,2,3,7,22,( )。A.100B.133C.155D.165
[单选题]2,3,7,22,155,( )。A.2901B.3151C.3281D.3411