名校
1 . 有序实数组
称为
维向量,
为该向量的范数,范数在度量向量的长度和大小方面有着重要的作用.已知
维向量
,其中
.记范数为奇数的
的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9bc06a8ca80e9f47ccda39308e7ba4.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c351c3dcae1b29183e5e78496378396b.png)
______ .(用含
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2624bf8eae8ec856a5f0ba799cee719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70fd5ea91c137241e07d2d53568557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0681ee547b06d12a5f689b6c16c85181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5ac304996e908248a1f0d3eae50d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9bc06a8ca80e9f47ccda39308e7ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c351c3dcae1b29183e5e78496378396b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-04-17更新
|
1877次组卷
|
10卷引用:东北三省四市教研联合体2024届高考模拟(一)数学试卷
东北三省四市教研联合体2024届高考模拟(一)数学试卷东北三省四城市联考暨沈阳市2024届高三下学期数学质量检测(二)吉林省长春市2024届高三下学期三模数学试题四川省成都市石室阳安学校2023-2024学年高三下学期4月月考数学(理)试题湖北省沙市中学2024届高三下学期模拟预测数学试题(已下线)江苏省苏锡常镇四市2024届高三下学期教学情况调研考试数学试题重庆市七校联盟2024届高三下学期三诊考试数学试题(已下线)【练】专题二 二项式定理应用问题(压轴大全)湖南省长沙市南雅中学2023-2024学年高二下学期第二次月考(5月)数学试题河北省衡水市武邑中学2023-2024学年高二下学期第二次月考数学试题
名校
解题方法
2 . 如图,球
内切于圆柱
,圆柱的高为
,
为底面圆
的一条直径,
为圆
上任意一点,则平面
截球
所得截面面积最小值为__________
若
为球面和圆柱侧面交线上的一点,则
周长的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4f5433a5ff7e6d806eb3bfb34bd3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1726b15a51333bfaafb4f6f4a4e23cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad09714898da4802e86c6595f7c6dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4dd6baf95be502586df9f93582ddc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e707a7bea901a3af6aef3cd43ac685e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe65856674c95e6c04ae405f68cd74a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/17/21deb060-ea17-4e91-a482-f066f8f3c0e5.png?resizew=140)
您最近一年使用:0次
2024-04-13更新
|
1137次组卷
|
5卷引用:黑龙江省大庆市实验中学实验二部2023-2024学年高三下学期得分训练数学试题(四)
名校
解题方法
3 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
________ ;当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b18b5d9c13ac3618d32d3b98ba5e7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cf774ce1967919099178f757ec868e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
2024-04-10更新
|
1219次组卷
|
3卷引用:黑龙江省大庆市实验中学实验二部2024届高三下学期得分训练数学试题(六)
名校
解题方法
4 . 记
为数列
的前
项和,
为数列
的前
项积,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
____ ,当
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](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/77df3295d567104227406105ce3da79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc0080d5a4989a5d6d29e6e9e89c00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2024-04-08更新
|
337次组卷
|
3卷引用:黑龙江省九校联盟(齐齐哈尔五校+黑河四校 )2023-2024学年高二下学期4月期中联合考试数学试题
5 . 已知
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7183d0b90c83baf20de399ca0f3b4fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc77736082d40a73a6738e0ac815766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f045fddc2f02557913c502433327847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
6 . 函数
(
且
)的图象过定点_________ .直线
的倾斜角为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d982f5a0c011f75ecbace7ae1cae7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22a292c25bf81dff2bb6d211b492aa4.png)
您最近一年使用:0次
解题方法
7 . 已知
为函数
的导函数,且定义域均为
,若函数
与
都是偶函数,写出函数
的一个对称中心为__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb8fe114f723549da948ab66ae6440.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465d53fc2351f8e67abf41bd2bb8281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c822c874e9ccc9ed9e0d126b01ce9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0735c9f943fb7abe354bb236e40da88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cb8fe114f723549da948ab66ae6440.png)
您最近一年使用:0次
23-24高二上·全国·假期作业
解题方法
8 . 已知数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
________ ,数列
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3397364f378662f9ca49c50bd59bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514c058c5cb093d47f42b2a83a2a7a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf3da897eb73b729f66bb0d700775c5.png)
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解题方法
9 . 在平面直角坐标系
中,
轴被圆心为
的圆截得的弦长为
,直线
:
与圆
相交于
,
两点,点
在直线
上,且
,那么圆
的方程为________ ,
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0b4afd16b79370532de44989d6c43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eebeb0c65327c1472d14023a5027778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f30acc34f4ee1077532ae6808af2ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92210401020364945f70db43dba90eff.png)
您最近一年使用:0次
2023-10-01更新
|
125次组卷
|
2卷引用:黑龙江省绥化市绥棱县第一中学2023-2024学年高二上学期9月月考数学试题
解题方法
10 . 已知抛物线
上有
,A,B三点,且直线
过抛物线的焦点F,抛物线的准线
与
轴交于点C,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db727582108fe070cf4596c016728900.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416950509ce0852e9c7bbb09104776f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0371da5daf81552929572df04bdc2228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db727582108fe070cf4596c016728900.png)
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