下列各题中,变量的取值范围都为整数.确定下列命题的真假.
①
;②
;③
;④
.
其中正确的有( )
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b78919bf638e8d5d2a019fc4b185ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38cc4a6caf8063494ab88f4948f27754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b28dad86488303cbb042d53d54b8e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fcd10e10edc29cd7508fdfab0ca76c0.png)
其中正确的有( )
A.①② | B.② | C.①④ | D.②④ |
更新时间:2021-01-10 21:53:15
|
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】对于下列四个命题,其中的真命题是( )
:
,
;
:
,
;
:
,
;
:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37994b38c4a0eb1bdd22cf6d4af84e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12403c9c4d7f338fb2ceca4fd786b273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b201c15a6775697b35514a013cbe18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea760227781570fb8ddafc22b66580e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd94daf2b03bdc1f0561e589f2b58c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18cc7986cf864c77ef6bf3fcbdedaf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fc78d86aa39e407f085ea5a1bdd3f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d550c1868a881911a49cb808d246e772.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】下列命题中,真命题是( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次