名校
1 . 对于任意实数
,
,
,
,命题 ①若
,
,则
;②若
,则
;③若
,则
;④若
,则
;⑤若
,
,则
.
其中真命题的个数是 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef20073a12bab727faa217718b63414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34c5832f3fe28f48a924854cb8814ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbc322861846709c08c7f1da746848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
其中真命题的个数是 ( )
A.1 | B.2 | C.3 | D.4 |
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2 . 下列命题为真命题的是( )
A.对角线相等的平行四边形是矩形 | B.若![]() ![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() ![]() |
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3 . 在整数集
中,被5除所得余数为
的所有整数组成一个“类”,记为
,即
,
给出如下四个结论:正确结论的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e854be8d44d7021f8060aebf252284a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96691f19673c97ba9f6e432a7539f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63702e21678ae8a609cfa1faeef69fa6.png)
A.![]() |
B.![]() |
C.![]() |
D.“整数![]() ![]() |
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解题方法
4 . 已知命题
:若
为第一象限角,且
,则
.能说明命题
为假命题的一组
的值可以是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
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5 . 给出下列命题:①若
,
,则
;②若
,则
;③若
且
,则
;④若
,则
.其中真命题的个数( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089a1e7ab2ad1c6cd0fb2e7a033c5674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0784acc37a736c39f071841fe80bfea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd649176cce998793cf5cc256ec786c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121807b568ac6c462aad06a7a5bb3918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411100df59e7a9dc8d4ad77d497b6fa9.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
6 . 下列说法中正确的有( )
A.命题p:![]() ![]() ![]() ![]() |
B.“![]() ![]() |
C.命题“![]() ![]() |
D.“![]() ![]() |
您最近一年使用:0次
2023-11-28更新
|
448次组卷
|
3卷引用:山东省淄博市张店区淄博中学2023-2024高一上学期期中考试数学试题
山东省淄博市张店区淄博中学2023-2024高一上学期期中考试数学试题(已下线)四川省成都市第七中学2023-2024学年高一上学期12月月考数学试题河北省邯郸市磁县第一中学、大名县第一中学2023-2024学年高一上学期12月月考数学试题
名校
7 . 下列命题中为真命题的是( )
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-11-25更新
|
219次组卷
|
3卷引用:辽宁省鞍山市2023-2024学年高一上学期期中数学试题
8 . 下列命题中,为真命题的是( )
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.![]() |
D.二次函数![]() ![]() |
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9 . 下列结论正确的是( )
A.若![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() ![]() |
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10 . 下列命题中真命题的编号是______ .
①
是一元二次方程; ②空集是任何非空集合的真子集;
③互相包含的两个集合相等; ④若
,则
;
⑤满足
的集合M有7个.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89315341b71744ebe5ab741dc07388ff.png)
③互相包含的两个集合相等; ④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece37a255fd6999844ed5ac8f8ba6ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069390dd908ff203327958117a226593.png)
⑤满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5bf807a96e199e9b3a01c101f56d50.png)
您最近一年使用:0次