名校
解题方法
1 . 已知
,则下列结论中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b40d453ac56a449af2c33e31ff49c5.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2024-03-06更新
|
312次组卷
|
7卷引用:广东省广州英豪学校2020-2021学年高二下学期开学检测数学试题
广东省广州英豪学校2020-2021学年高二下学期开学检测数学试题江苏省苏州市八校联盟2021-2022学年高三上学期12月第二次适应性联考数学试题湖北省“荆、荆、襄、宜“四地七校联盟2020-2021学年高二上学期期中数学试题(已下线)高二数学下学期开学摸底卷(测试范围:选修一+选修二)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)安徽省六安市第二中学河西校区2023-2024学年高一上学期期末数学试题(已下线)2.1等式性质与不等性质黑龙江省哈尔滨市第三中学校2023-2024学年高一下学期寒假验收考试数学试题
名校
解题方法
2 . 在①
;②
;③
这三个条件中任选一个,补充在下面问题中的横线上,并解答相应的问题.在
中,内角A,B,C的对边分别为a,b,c,且满足______,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c89502fa2dcd9a0a569f5f598e7052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc0bd35c34b1f5e97d3a53e3de58021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e954c623ef519e11f96064f726e96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b98659d4ba75dddc8407085dcee8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
3 . “中国剩余定理”又称“孙子定理”.此定理讲的是关于整除的问题,现将1到2023这2023个数中,能被2除余1且被5除余1的数按从小到大的顺序排成一列,构成数列
,其前
项和为
,则下面对该数列描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() | B.![]() | C.![]() | D.共有202项 |
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2023-09-01更新
|
408次组卷
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14卷引用:辽宁省朝阳市建平县实验中学2020-2021学年高二下学期期中数学试题
辽宁省朝阳市建平县实验中学2020-2021学年高二下学期期中数学试题福建省龙岩第一中学2021-2022学年高二上学期开学考试数学试题(已下线)第02讲 等差数列-【帮课堂】2021-2022学年高二数学同步精品讲义(苏教版2019选择性必修第一册)第四章数列单元检测卷(A卷基础篇)-2021-2022学年高二数学同步单元AB卷 (人教A版2019选择性必修第一册+第二册,浙江专用)(已下线)第01周周练(4.1数列的概念4.2.1等差数列的概念4.2.2等差数列的前n项和公式)(基础卷)1.2等差数列检测题 A卷(基础巩固)(已下线)考点09 等差数列-2022年高考数学一轮复习小题多维练(新高考版)(已下线)4.2等差数列A卷黑龙江省哈尔滨市阿城区第一中学2022-2023学年高二上学期第二次月考数学试题吉林省洮南市第一中学2022-2023学年高二下学期阶段性考试数学试题河南省周口恒大中学2022-2023学年高二下学期2月月考数学试题辽宁省大连市第八中学2022-2023学年高二下学期6月月考数学试题广东省东莞实验中学2022-2023学年高二下学期月考一数学试题甘肃省白银市靖远县第四中学2023-2024学年高二上学期9月月考数学试题
4 . 在①
,②
,且
,③
,这三个条件中任选一个补充在下面的问题中,并给出解答.
在
,角
,
,
的对应边为
,
,
,且__________.
(1)求角
;
(2)若
,求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5d01393a34ecf31af1b0f02304a3a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17102bb2f2b747a00f017cad39f056b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a53cdfd02f840f55c72dbb4d0607c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a26d50625247cc060e2520205c8f1cb.png)
在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
5 . 已知函数
,
,函数
是奇函数.
(1)判断函数
的奇偶性,并求实数
的值;
(2)若对任意的
,不等式
恒成立,求实数
的取值范围;
(3)设
,若存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10cf6c4b4b96f027e33d957899c648e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4172440be7d203cad4e0c6e549e148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9cec0474c43086ea39cb457048313c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf3b0276fd11eb44cd9351167328a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1730302b2f3816939e5116a418e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0ed53225c1a9d253ef5cca581a7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c5160159350a9740f9408bf2ccc2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
6 . 已知a,b,c分别为锐角
内角A,B,C的对边,
.
(1)求角B;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e46c03e231fdb1046e7846ab3de4dfd.png)
(1)求角B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4fb8aa689b233913e11e67be7dbd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-08-08更新
|
648次组卷
|
7卷引用:陕西省安康市石泉中学2020-2021学年高二下学期开学摸底考试文科数学试题
名校
解题方法
7 . 已知正项数列
的前
项和为
,
,且
.
(1)求数列
的通项公式;
(2)若数列
满足
,设数列
的前
项和
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0e5d689559e2c2c3a44017cd1462d.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809340ac7c2e74a19828f91ab4d2373e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d589bd43d1bc63e7e77120747e4cfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e672c3d231081d12e44a4211e5ac60bf.png)
您最近一年使用:0次
名校
解题方法
8 . 已知等比数列
的前
项和为
,若
.
(1)求数列
的通项公式;
(2)若
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e429aa40d340592eb614b98ac3342f.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b38526eaaa9b8017d2d9ccd30201c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2def5aa62f497709e1bd8258583d62fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35926bf4b8e2c163c20942173cffcce.png)
您最近一年使用:0次
9 . 已知数列
,的前
项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465f99848210e6931d6481dcb34c1047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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解题方法
10 . 已知数列
中,
,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8195928f38fb0216ad4f7907667c37f.png)
(1)求数列
的通项公式;
(2)记
,若数列
为递增数列,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8195928f38fb0216ad4f7907667c37f.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040023578b4d06ef19356208d014fdf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次