名校
1 . 命题
:
,
,则命题
的否定为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba775e0260ffbe30df0600b8dc5cf5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2 . 设集合
和
,其中符号
表示不大于x的最大整数,如
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88fdcb87880b85a371b47e52e472dc2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe583f7350636a8fa9d81b381ab139fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906d56fc8fcf6f56671376f442f429ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032635d4e60381fb37c8f4e8f12805f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3420606c96b68fb884c839923fd20a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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3 . 集合
为单元素集合,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b88701c23682a1c18aef43a2beac81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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4 . 已知
,
,
.若
是
的必要不充分条件,且
是
的充分不必要条件,则实数
的取值范围为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb0fcaac09be4b051be16e1a6cd84ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda60d483cee4e84a3c2653ff3880065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1703e39c53f4aa68e5e1f634b5467f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 若命题
:“
,
”是假 命题,则实数
的取值集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1d1257bb7a778abfa28b4dfdda4177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba23cf0f4e38d5b25cb70d2dec7622e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 已知集合
恰有两个非空真子集,则实数m的取值集合是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa3e043e39e457339c4c60bf8d9eb6c.png)
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解题方法
7 . 函数
的定义域为集合
,关于
的不等式
的解集为
,若
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e713e957ad7d313c9135e3e048516313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8b241aa8eff44238efc6d199ba5471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知全集
.若集合
、
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906ea02bdb4a1f6dc7d477109486c6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70e4e0314d0f196984aa9d469cdf985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
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9 . 设
为常数,已知集合
,
,
.若集合
中所有元素之和为
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53859a7e33a083b04c609781e90d0766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5393c4401be522984a7b3a34bb677050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8f1df735a4480e538fd1d067fbd577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5788f04b84d1f9cfafc08a3cec5ed95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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