名校
1 . 下列四个命题中,
①集合
,且
,则实数
的取值集合是
;
②使得不等式
成立的一个充分条件是
;
③已知
,则
的取值范围是
;
④若
,则
的最小值是8;
⑤若
,则
的取值范围是
;
其中真命题的序号是__________ .
①集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bd9a3d1537cb3ad4a6f538334f79ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebd7c565ca0e0f8b73fedda791479c5.png)
②使得不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9628a52a2d66782e5ea1a5dadf28444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbceb0d573d213b8f8ae91cf0b57d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20c6ab2d0f475b20bb945c1692b6c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342338eded5a03c00eb02ef7f7cf836e.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0bd65eb59d0acde6f5955490696c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2bd515c3c7f10f253d03d494fbb392a.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2603458b29d71ebfb1b0432f991836ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d89f74ade1b380747d247f0eed0da0.png)
其中真命题的序号是
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2023-10-08更新
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5卷引用:新疆生产建设兵团第三师图木舒克市第一中学2023-2024学年高一上学期10月月考数学试题