题目内容
已知命题p:?x∈R,2x2+1>0,则( )
|
试题答案
C
相关题目
已知命题p:?x∈R,2x2+1>0,则( )
查看习题详情和答案>>
| A.?p:?x∈R,2x2+1<0 | B.?p:?x∈R,2x2+1≤0 |
| C.?p:?x∈R,2x2+1≤0 | D.?p:?x∈R,2x2+1<0 |
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
已知命题p:?x∈R,2x2+1>0,则( )
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>
A.¬p:?x∈R,2x2+1<0
B.¬p:?x∈R,2x2+1≤0
C.¬p:?x∈R,2x2+1≤0
D.¬p:?x∈R,2x2+1<0
查看习题详情和答案>>