1 . 阅读下面题目及其解答过程,并补全解答过程.
以上解答过程中,设置了①~⑤五个空格,如下的表格中为每个空格给出了两个选项,其中只有一个正确,请选出你认为正确的,并填写在答题卡的指定位置.
已知函数![]() (Ⅰ)当 ![]() ![]() (Ⅱ)求证:函数 ![]() ![]() 解答:(Ⅰ)当 ![]() ![]() 因为 ![]() 所以当 ![]() ![]() 因为函数 ![]() ![]() 所以 ![]() ![]() 所以 ![]() 所以 ![]() 所以函数 ![]() (Ⅱ)证明:任取 ![]() ![]() 因为 ![]() 所以 ![]() 所以⑤. 所以 ![]() 所以函数 ![]() ![]() |
空格序号 | 选项 | |
① | A.![]() | B.![]() |
② | A.![]() | B.![]() |
③ | A.![]() | B.![]() |
④ | A.![]() | B.![]() |
⑤ | A.![]() | B. ![]() |
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名校
2 . 已知集合
,
,
,
,其中
.定义
,若
,则称
与
正交.
(1)若
,写出
中与
正交的所有元素;
(2)令
若
,证明:
为偶数;
(3)若
且
中任意两个元素均正交,分别求出
时,
中最多可以有多少个元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0a422a1f3b4197761a32eea75e5f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984c76feb97fd60961042a5a0490042e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4d0cff6698ac42bb2158babd15b20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7cf6c3ef21af43bd1b4b9ce9ad5721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c015c9a3f30d0be75666375733ea35cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2e64804787fb0b18a3d8eee3570578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4157967918cabbed7f5d82a291cc262f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80721f50d5063cb9f835ea6fc6870285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27db54d88c391992ad9cbc65ef509e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22111b1f07e7873e5a156d1937eaac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d671185c2cc9c5d88029e04f4b2ccf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67aadad8f385811fd0d0c8541007cbf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2020-11-15更新
|
794次组卷
|
3卷引用:北京市海淀区教师进修学校附属实验学校2020-2021学年高二上学期期中数学试题
3 . 已知函数f(x)满足f(x)+2f(﹣x)=x+m,m∈R.
(Ⅰ)若m=0,求f(2)的值;
(Ⅱ)求证:
;
(Ⅲ)若对于任意x∈[1,e],都有
成立,求m的取值范围.
(Ⅰ)若m=0,求f(2)的值;
(Ⅱ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ba0f561391cc47fe4f4824792d5f9b.png)
(Ⅲ)若对于任意x∈[1,e],都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e060ad21ed842bb66ac5ad69327871.png)
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解题方法
4 . 已知函数
.
(1)判断函数
的奇偶性,并证明你的结论;
(2)求满足不等式
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe242d2f661fa1c093e3b441dae7dc.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求满足不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184e00cf03da4eefaf73ed130e79b795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
5 . 已知集合
,集合
是集合S的一个含有8个元素的子集.
(1)当
时,设
,
①写出方程
的解(
);
②若方程
至少有三组不同的解,写出k的所有可能取值;
(2)证明:对任意一个X,存在正整数k,使得方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e804a94a8c736f1b76b4e6a79ed9ac8a.png)
至少有三组不同的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d39db7e80a62d943fc2f1f13573101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e27aa0c05e4f20fd9b06ec3aec7c9a0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2f4fa2724efdccbb82e864a461e4e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83a440ad6daf0ef9f99d4eba019e198.png)
①写出方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9f3a65e77f22f6125968bb039c8cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d12d5855a93faede24e1762061441c.png)
②若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f093c9f09fb55bdce94f35d51656472.png)
(2)证明:对任意一个X,存在正整数k,使得方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e804a94a8c736f1b76b4e6a79ed9ac8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7c920782029df7ba1b145ef02b0506.png)
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6 . 设集合
,如果存在
的子集
,
,
同时满足如下三个条件:
①
;
②
,
,
两两交集为空集;
③
,则称集合
具有性质
.
(Ⅰ) 已知集合
,请判断集合
是否具有性质
,并说明理由;
(Ⅱ)设集合
,求证:具有性质
的集合
有无穷多个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600c7541cb1e9e471f04918cc9786008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d307ec71820b6536453fbdb5069da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8b572950af972d5e265f689e35314c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2eb7d5fb0130ed8d205b43cb1ed3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cd6746267a246afaf1d464063507d6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982b037abf6daa6244e780698eaab951.png)
②
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625bff725b23b22199626c1b435936c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(Ⅰ) 已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76011de3a9e84bf9253dfb1aabf7c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(Ⅱ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf9420bb3d442024ab7021058c2a57f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a9bb8b95c37f1d5f434cd03a97e725.png)
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名校
7 . 已知:集合
,其中
.
,称
为
的第
个坐标分量.若
,且满足如下两条性质:
①
中元素个数不少于
个.
②
,
,
,存在
,使得
,
,
的第
个坐标分量都是
.则称
为
的一个好子集.
(
)若
为
的一个好子集,且
,
,写出
,
.
(
)若
为
的一个好子集,求证:
中元素个数不超过
.
(
)若
为
的一个好子集且
中恰好有
个元素,求证:一定存在唯一一个
,使得
中所有元素的第
个坐标分量都是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04c8d2e5962266734b677842b1985cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd012d9216e34923d1e1a5e1481483e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d05f3a6e0d625cf73bb656dd85f666d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d218f9864db4a589a4778fcb4d23bb32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a86c79fb771a07a413c755e4295b160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570f38996525564d196bce79c3fef9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30814d8d521fc3932d9215abb82afcd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a10ccb89e17789ec5ef5d04093c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3342a206b878dd392294c8100a9c73b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5c085395803c2794ea1e5b3d685c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f1ad18371ec533aeac27cf1fad95c1.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f1ad18371ec533aeac27cf1fad95c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c632c1dee2f3849015044acedc50bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
您最近一年使用:0次
2018-07-02更新
|
521次组卷
|
5卷引用:北京师范大学第二附属中学2017~2018学年度第一学期期中考试高一数学试卷
北京师范大学第二附属中学2017~2018学年度第一学期期中考试高一数学试卷【全国百强校】北京市西城区北京师范大学第二附属中学2017-2018学年高一上学期期中考试数学试题北京市中国科学院附属实验学校2021-2022学年高二9月月考数学试题北京市第二十中学2020-2021学年高二上学期期期末试题(已下线)卷16-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)
8 . 对于数集
,其中
,
,定义向量集
,若对任意
,存在
,使得
,则称
具有性质
.
(
)设
,请写出向量集
并判断
是否具有性质
.
(
)若
,且
具有性质
,求
的值.
(
)若
具有性质
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4622c700325a90d453e6300b886a8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc1a0bba5e6e8ddf6f1f60f78e6490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bfed73c13a4ba150b097d24fa9a0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eaae85741a85ff6fceaf51d7b7c908c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe6217f5a3a719f6a1ffbd4cb05dbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e442b3e4354982f3f2b8e725b6e43c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66317f3834697e2b5642906bb751eb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
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(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
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(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551ee6e86b2c6e79236dfe3e2e2c24b.png)
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