1 . 给出下列命题:
①命题“同位角相等,两直线平行”的否命题为:“同位角不相等,两直线不平行”.
②“
”是“
”的必要不充分条件.
③“
或
是假命题”是“
为真命题”的充分不必要条件.
④对于命题
:
使得
,则
:
均有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ef2ec844032e0c2ab9cc4a545dff3.png)
其中真命题的序号为________ (把所有正确命题的序号都填在横线上)
①命题“同位角相等,两直线平行”的否命题为:“同位角不相等,两直线不平行”.
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727bd2eb1d561e821c4d175f15cf705e.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
④对于命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455f2c260624da19c2b044f1e80006b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6854e4631eb5f02d9f60732d80ad7117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21f00047ebe6f01a61e53c08192b8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ef2ec844032e0c2ab9cc4a545dff3.png)
其中真命题的序号为
您最近一年使用:0次
名校
2 . 给出下列说法:
①“若
,则
”的逆命题是假命题;
②“在△ABC中,
是
的充要条件”是真命题;
③
或
是
的充分不必要条件;
④命题“若
,则
”的否命题为“若
,则
”.以上说法正确的是________ (填序号).
①“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ab5174edcf796e06fc85e28614432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba75ca4ac87c18b45b5f420105f91f9.png)
②“在△ABC中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7725ad5bc8a8233f59ad3c4ccd7f465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa3638653a94a02420f176d860e294e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4ad6bf033c2de624a30b57402f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4738addce8080691ea629f831fcd17fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c47201a8f3f02096fd76b6a9b22680f.png)
④命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b051e1329de07b78b173b7980ea8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629507dcfdeb6866da428c4f45e2b21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6b1fc85c324b4c4defdc8f1012d9ee.png)
您最近一年使用:0次
3 . 下列说法中:
①命题“对任意的
,有
”的否定为“存在
,有
”;
②“对于任意的
,总有
(
为常数)”是“函数
在区间
上的最小值为
”的必要不充分条件;
③若
,
,则函数
满足
;
④若
,
,
,则函数
满足
.
所有正确说法的序号______ .(把满足条件的序号全部写在横线上)
①命题“对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6749db809dd84c2cfe5c47bea121e356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a79d7f73b6128650bf7aed538260c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717e338241e8bb69490fa4c1c1667dc6.png)
②“对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2402277de61291ce71091791a341d4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eace660471b61d7ac55cb51ed555c0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2054e0dc7153871a51a8753cd5c73735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db10f7b8f7aa0d45a696e15852673326.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5bf1fbb7d7339058beb960a4c6ae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4ed15e6afa80e85571fb30aba57f96.png)
所有正确说法的序号
您最近一年使用:0次
名校
4 . 下列说法中所有正确命题的序号是__________ .
①“
”是“
”成立的充分非必要条件;
②
、
,则“
”是“
”的必要非充分条件;
③若一个命题的逆命题为真,则它的否命题一定为真;
④设等比数列
的前
项和为
,则“
”是“
”成立的充要条件.
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0973815df3264c67f94eccde1c279ea.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc03d6198a94cfdf5ba108fd4ae668e2.png)
③若一个命题的逆命题为真,则它的否命题一定为真;
④设等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179513ce80436471efbe1d9b31735f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f00dae44d94b0499bd40de73772b4b.png)
您最近一年使用:0次
2017-12-20更新
|
581次组卷
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5卷引用:江苏省如东高级中学2017-2018学年高二上学期期中考试数学试题
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