2023高三上·全国·专题练习
1 . 设有下列四个命题:
:两两相交且不过同一点的三条直线必在同一平面内.
:过空间中任意三点有且仅有一个平面.
:若空间两条直线不相交,则这两条直线平行.
:若直线
平面
,直线
平面
,则
.
则下述命题中所有真命题的序号是__________ .
①
;②
;③
;④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5493a7d6a94ddfc6179b9b30a92e4ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aadec0da2c6fcca0bf2545bb62a4aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4ac8baf8dbbba3dd9933021a814d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c60a302c4b1d8bc8c75cddae0cabc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f703808b3528bf794d8edf642de9c72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233003466b5aae4068326b65b585335e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75350c0f16848247ec0602b0b9a55df.png)
则下述命题中所有真命题的序号是
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586e98555015d11f2b8d8b7702965336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7af433a01e0819931d64d634b705e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b4e53bf6e9c26e2f849d430d4e083f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b798cc94cdc2c9e71b9ab8227877ac2.png)
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2023高三·全国·专题练习
解题方法
2 . 若“
,
”是真命题,则实数m的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1c5626bd3b56bd0369fbc19ff8aaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16846b2e2503026e535b50a1f1c2a479.png)
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2023高三·全国·专题练习
3 . 已知命题
,若
是
的充要条件,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d551720a6754ce0c7c84e5871ed41b5.png)
![](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/380bbacf854e30e2e747fc286d2b9997.png)
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2023高三·全国·专题练习
解题方法
4 . 若命题“
,
”是真命题,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8013779d12f31432ad0654a2f507ab3.png)
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2023·全国·模拟预测
5 . 若“
,
”是真命题,则实数
的一个可能取值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2509d834d41e54b6ac87e60a4be3c7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282de907f1db8d41f7becc6cdbcf54e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023·全国·模拟预测
解题方法
6 . “
”是“直线
与直线
垂直”的______ 条件.(填“充分不必要”“必要不充分”“充要”或“既不充分也不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d782efdac56b5359072e8602fff34357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6007a2eb58a3798c91fb00db053348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70439c43c08b3a58e92c10888db1ed4.png)
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2023·全国·模拟预测
7 . 命题“
,
不能被4整除”的否定为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00727155083b04f34c638f9ddf1cc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f053a16593a72afd81f367d476448f11.png)
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名校
解题方法
8 . 设命题
,若
是假命题,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d064ecb3d4e8ea710ac205cb62e0286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-06-28更新
|
1671次组卷
|
3卷引用:第一篇“必拿”选择前5填空前2 专题6 基本不等式的应用【讲】
名校
9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab82e2123711fd87885e77e5e2a36dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108944402a04418c4810edb3394097cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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10 . “直线
垂直于平面
内无数条直线”是“直线
垂直于平面
”的______ 条件.(用“充分非必要”、“必要非充分”、“充要”、“既非充分又非必要”填空)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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