已知集合
.
(1)证明:若
,则
是偶数;
(2)设
,且
,求实数
的值;
(3)若
,试判断
是否属于集合
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b160d5a44065a4f80802be949c646694.png)
(1)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d34afba5f43d301946429980327d3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fad1f1fff5c82010595cc84a8806b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9b6ad6f6fce0c84edfbc7b9802e3d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830dec0a9a6f1825b11a136bafc5e168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
21-22高一·全国·期中 查看更多[1]
(已下线)期中测试卷02(A卷·夯实基础)-2021-2022学年高一数学同步单元AB卷(苏教版2019必修第一册)【学科网名师堂】
更新时间:2021-12-20 09:48:02
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相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知集合
,
(1)求证:任何奇数都是
中的元素;
(2)判断偶数
是否为
的元素?请说明理由;
(3)求证:属于
的两个元素之积仍属于
;
(4)试求
中第
个正整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c7028e2620b5cabdaa07e6616891b1.png)
(1)求证:任何奇数都是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)判断偶数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4512f23bb372f6b00906ae4a60c40b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)求证:属于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(4)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e62bd2de8e4c51d4bb22c330058871.png)
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解答题-证明题
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适中
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【推荐2】(1)如果集合
,
,证明:
.
(2)如果集合
,整数
互素,那么是否存在x,使得x和
都属于B?若存在,请写出一个;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbac178aeb4a8ae204b3b0fd6564f134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e4d63e09329906f8bea9d58d3302b5.png)
(2)如果集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf447e4f3f299ad2affb47cc6a85c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
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解答题-问答题
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【推荐1】已知关于x的不等式
的解集为S.
(1)当
时,求集合S;
(2)若
且
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672609cd12db2edabaae870940f096ba.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73960df7b5e19b38042cc65a5815689a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92dd957781355fa83f32533436d815f.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31097cf5be1c42c60310a2b749c0e548.png)
(1)求
的值;
(2)①求函数
的定义域
;
②若实数
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31097cf5be1c42c60310a2b749c0e548.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
(2)①求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
②若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582ad43edf388c096e7704d92340bf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7937a2bbaf2dade83046145b4719be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-证明题
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名校
解题方法
【推荐1】设自然数
,由
个不同正整数
构成集合
,若集合
的每一个非空子集所含元素的和构成新的集合
,记
为集合
元素的个数
(1)已知集合
,集合
,分别求解
.
(2)对于集合
,若
取得最大值,则称该集合
为“极异集合”
①求
的最大值(无需证明).
②已知集合
是极异集合,记
求证:数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23747e7321187323c665a641adb49e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84357e7e15c0b4187ea69a4d555ef171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29fd31a1808968790032a671f64be90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a84d5316c5db87fda9b7d615c9dce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29fd31a1808968790032a671f64be90.png)
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccaf946a034215b8c49c12a1aff7790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d160c80e7542650f9ac8ff3981548ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11391d21b5da91adc137d57a73c19b83.png)
(2)对于集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84357e7e15c0b4187ea69a4d555ef171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a84d5316c5db87fda9b7d615c9dce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a84d5316c5db87fda9b7d615c9dce6.png)
②已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84357e7e15c0b4187ea69a4d555ef171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9ca7e90d47d7ee295338bbac2d8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7477e3d7c54f409ee9905e81c9cbe2f.png)
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解答题-问答题
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适中
(0.65)
【推荐2】集合M满足:若
,则
(
且
)已知
,试求集合M中一定含有的元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582ad43edf388c096e7704d92340bf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5422b0cd0b6c3c7b7d7d6b6c56fcf550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f1ae7dc5a993dbd6a8931cb4939e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14a4a016f321208335fc6385a9152ec.png)
您最近一年使用:0次