1 . 已知各项均为整数的等差数列
,若
,
,
,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086f7627ecc5df5a2ab07201b8732fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46efbcdf49c567b8cd9e1bbaa14ee365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bcd8a9ba1cf84f417fb9055b7c3737e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9dd56551121a5b88be4dc6910c9ec0.png)
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解题方法
2 . 设正数
满足
,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14079a11f7ce901b0b3325868f81f262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c100dd2c6b754c1ed89265b6e7609bd5.png)
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3 . 已知函数
(
),则函数
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ac9a839b199426d5d7bf13386fd36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f274f1247962a5b263183922fedfa086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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4 . 已知点
,
,则直线
的倾斜角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ed34373675f4e56fb27968daecd21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b19d7d0c1ecafd351c2df82352467d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
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解题方法
5 . 已知函数
是定义在
上的单调函数,且对任意的实数
,有
, 则不等式
的解集是________ .
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c527c7ae3d4cb3827197e1077e4b23e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd9c5f0e78c7eadfea06d733bf88684.png)
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6 . 实数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc13382ae44f4b4a0dcb57ede6a920a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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解题方法
7 . 已知椭圆
上两个不同的点
关于直线
对称,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3968023b62eb2e2232a0d286954069d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知数列
满足
,
.
(1)若
是递增数列,求实数
的取值范围;
(2)若
,且对任意大于
的正整数
,恒有
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d0b399e3826e2721d683a357fe5dd4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e144b442dc601367909266594699b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacfaef44a654c0a1c283ef03fc0550.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,其中
为常数.
(1)判断
的奇偶性,并说明理由;
(2)若在
上存在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
个不同的点
(
),满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94eba026ab9188e4deaef4f24f67769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8050bd480227fa5a97d64e74ae97518.png)
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7239984ac3f00112921239e1dd3313c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80be0c3c50d2bd6230b53fbd056122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5867fde790c54e6a931c5d1d22b049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94eba026ab9188e4deaef4f24f67769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8050bd480227fa5a97d64e74ae97518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3dab458f8442e7cf674f6de24ab07c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
10 . 如图,球
的内接八面体
中,顶点
分别在平面
两侧,四棱锥
,
均为正四棱锥,设二面角
的大小为
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cbd9eb22f75ad5304d8491b314a9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f96627abd793ca157d4dd1587f584d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
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2023-11-28更新
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427次组卷
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4卷引用:浙江省绍兴市上虞区2020-2021学年高二上学期竞赛数学试题A组
浙江省绍兴市上虞区2020-2021学年高二上学期竞赛数学试题A组安徽省六安市毛坦厂中学2024届高三上学期12月月考数学试题(已下线)四川省成都市第七中学2024届高三上学期期末数学(理)试题(已下线)第5题 立体几何中以外接球为背景的最值问题(压轴小题)