名校
1 . ①“若
,则
”的逆命题是假命题;
②“在
中,
是
的充要条件”是真命题;
③“
是函数
为奇函数的充要条件”是假命题;
④函数
在区间
有零点,在区间
无零点.
以上说法正确的是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ab5174edcf796e06fc85e28614432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd62f741b8897536cf616b5774247f6a.png)
②“在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2905b41405398718abd03d8894cf81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa3638653a94a02420f176d860e294e.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f62fd8b5d0665fd70c4a5843109ebd.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f24d2421c8c7459bb00b2e2734ca99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77dc0ed4cbf8211aacacb7362c83ca95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93c13c9d1a1f85ab7a9b044c669bf53.png)
以上说法正确的是
您最近一年使用:0次
2017-10-11更新
|
1543次组卷
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2卷引用:河南省郑州外国语中学2021-2022学年高三上学期调研(二)数学(理)试题