1 . 在
的展开式中,
的系数为_________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e8b4f5df8052589f96f0fdd1e1363f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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2 . 已知
为等差数列,
为其前
项和,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fda568395edd60698e68f426a8a18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
您最近一年使用:0次
2021-08-25更新
|
364次组卷
|
3卷引用:北京市延庆区2020-2021学年高二下学期期中考试数学试题
北京市延庆区2020-2021学年高二下学期期中考试数学试题(已下线)4.2 等差数列-2021-2022学年高二数学尖子生同步培优题典(苏教版2019选择性必修第一册)山东省青岛市4区市2021-2022学年高二上学期期中考试数学试题
3 . 离散型随机变量
的分布列为:
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671398cefc5ec05521efd88b1afc89f5.png)
_________ ;
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72d6c899d9ece423f5db1f2f529d16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671398cefc5ec05521efd88b1afc89f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d81f2bd97c070df88267759a704832.png)
您最近一年使用:0次
名校
4 . 已知双曲线
的离心率是
,则双曲线的右焦点坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cc973dfc94f986200c826b9626077f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2021-08-25更新
|
635次组卷
|
6卷引用:北京市延庆区2020-2021学年高二下学期期中考试数学试题
北京市延庆区2020-2021学年高二下学期期中考试数学试题(已下线)2021年全国高考乙卷数学(文)试题变式题11-15题黑龙江省哈尔滨市德强学校2021-2022学年高二上学期期中考试数学试题宁夏银川一中2021-2022学年高二上学期期中考试数学(文)试题河南省温县第一高级中学2021-2022学年高二上学期12月月考文科数学试题(已下线)考点36 双曲线-备战2022年高考数学一轮复习考点帮(浙江专用)
解题方法
5 . 已知函数
若存在
,
,使得
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7168413a0a8ccbd01de612fb47868ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9384be8fb190da591da5ba0778a51167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fe3251e054fe97089806ba7033f802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e909e233fde33028a2de3c42051e9606.png)
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6 . 直角坐标系
中,以原点
为顶点,以
轴正半轴为始边,那么,角
的终边与
的终边关于___________ 对称;角
的终边与
的终边关于___________ 对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47796eaacdc3edda0feeaf87daf274ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6fb55fbee9eb45e627455bfa4680770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2021-08-24更新
|
496次组卷
|
4卷引用:北京市延庆区2020-2021学年高一下学期期中考试数学试题
北京市延庆区2020-2021学年高一下学期期中考试数学试题(已下线)5.1任意角和弧度制--2021--2022高一上学期数学新教材配套提升训练(人教A版2019必修第一册)5.1.1 任意角练习(已下线)7.1.2 弧度制及其与角度制的换算-高一数学同步精品课堂(人教B版2019必修第三册)
7 . ①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7509075d12f4575b771c9ef42bdc75.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d350c4f26443723bc8fda884f6988a.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d9ab21bccb80738f789f2e742d0008.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5249c51ed3ddec27ca972bac4369a893.png)
其中正确命题的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7509075d12f4575b771c9ef42bdc75.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d350c4f26443723bc8fda884f6988a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d9ab21bccb80738f789f2e742d0008.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5249c51ed3ddec27ca972bac4369a893.png)
其中正确命题的序号是
您最近一年使用:0次
8 .
弧度的角是指___________ ;建立了度量角的弧度制后,弧度与角度的换算关系为:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d3558d22fece073de46a156db2ac1.png)
rad,这是因为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227368a266ba5a2865a1b7c75e230751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d3558d22fece073de46a156db2ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
您最近一年使用:0次
解题方法
9 . 已知
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9afc7bfbc67ff08ae5380508d9ca746.png)
___________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9afc7bfbc67ff08ae5380508d9ca746.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ab7b1bd54051498365bbed389719a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b72494c40e9c7afffd5238fd53e2e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f7a56f959e6d1836ffa5c6c1f14112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9afc7bfbc67ff08ae5380508d9ca746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ff275342a1e4ea4e92467aef4525ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9afc7bfbc67ff08ae5380508d9ca746.png)
您最近一年使用:0次
解题方法
10 . 已知
,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff8489033f162a9df4c1408e71874ce.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210d0fc392a22072f0b59bfef4bce912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ff008734e6833d1234b2aabdd67f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff8489033f162a9df4c1408e71874ce.png)
您最近一年使用:0次