名校
解题方法
1 . 若实数
,
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99137cb98f861f53439fb56196610f6b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-07更新
|
1876次组卷
|
5卷引用:福建省厦门第一中学2022-2023学年高二下学期期末考试数学试题
名校
解题方法
2 . 如下图,正方体
中,
为线段
上的动点,
平面
,则下面说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/3b033243-cc6c-4602-bb76-d57b1903d405.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0edb1508fc95765f3bb316bcb5252d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/3b033243-cc6c-4602-bb76-d57b1903d405.png?resizew=149)
A.直线![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.点![]() ![]() ![]() |
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2022-12-06更新
|
1164次组卷
|
2卷引用:福建省厦门第一中学2022-2023学年高二下学期期末考试数学试题
名校
解题方法
3 . 如图,斜三棱柱
中,
,
为
的中点,
为
的中点,平面
⊥平面
.
平面
;
(2)设直线
与直线
的交点为点
,若三角形
是等边三角形且边长为2,侧棱
,且异面直线
与
互相垂直,求异面直线
与
所成角;
(3)若
,在三棱柱
内放置两个半径相等的球,使这两个球相切,且每个球都与三棱柱的三个侧面及一个底面相切.求三棱柱
的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1638cde11c9862af200115048a0177da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e190568dc620895856a72fca1a08ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770da0f9a22d31e40431208bb33ab8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
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2022-11-29更新
|
3549次组卷
|
8卷引用:福建省福州市部分学校教学联盟2023-2024学年高一下学期期末模拟考试数学试题
名校
4 . 已知函数
.
(1)求函数
的极值;
(2)若1是关于
的方程
的根,且方程
在
上有实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36384ceafe01ed3d1dd40b6c5d270ae7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若1是关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329afd595a8e06586ecf4c448ce50c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c0ebcf90650287ab1bd94cb3cd755b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2022-11-26更新
|
451次组卷
|
4卷引用:福建省莆田第一中学2022-2023学年高二上学期期末考试数学试题
5 . 以下四个命题表述正确的是( )
A.圆![]() ![]() ![]() |
B.圆![]() ![]() |
C.具有公共焦点![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.已知圆![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2022-11-18更新
|
1306次组卷
|
7卷引用:福建省宁德市宁德衡水育才中学2022-2023学年高二上学期期末数学试题
名校
解题方法
6 . 已知定义在
的函数
满足:①对
,
,
;②当
时,
;③
.
(1)求
,判断并证明
的单调性;
(2)若
,使得
,对
成立,求实数
的取值范围;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6f5d45adf0314f93a495f037109bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626d21f09396d90862704dcf2462d885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b067cd7b69a4a915168fdc8bad6238f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f177df872ee385ddb95625c535f20e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ffe3be33913e930cbbc9f48b7c37bb.png)
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2022-11-17更新
|
1321次组卷
|
6卷引用:福建省宁德衡水育才中学2022-2023学年高一上学期1月期末考试数学试题
福建省宁德衡水育才中学2022-2023学年高一上学期1月期末考试数学试题福建省泉州市第七中学2022-2023学年高一上学期期中考试数学试题江苏省南通市海安高级中学2023-2024学年高一上学期期中数学试题(已下线)专题07 函数恒成立等综合大题归类(已下线)高一上学期期末数学试卷(提高篇)-举一反三系列(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列
名校
解题方法
7 . 在平面四边形ABCD中,
,
的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f781f6114c9fcc406a462efe1411b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
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解题方法
8 . 设函数
的定义域为R,
为奇函数,
为偶函数,当
时,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f79a9d20a20a0d5040d15a777f4e3b1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d84f0329e05fe669cc4dc7be14070d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce15aa17ef3c679faeaaddbeb36823c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35386fe82dd2f176e0617b643bb3257b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f79a9d20a20a0d5040d15a777f4e3b1.png)
您最近一年使用:0次
9 . 已知函数
,
为
的导函数,函数
.
(1)当
时,求函数
的最小值;
(2)已知
有两个极值点
且
, 求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b200c319099802185823455edde3d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585de67a3fc494297d375d339af6d153.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9009d4e35bd69a8d3599ec9c227f16f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f0beff9675743c63e421b080a89b66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
10 . 已知三棱锥S-ABC的所有顶点都在球O的球面上,SA⊥平面ABC,
,若球O的表面积为16π,则三棱锥S-ABC的体积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1804c3641953c30ccf750504eff6577.png)
A.![]() | B.3![]() | C.![]() | D.6![]() |
您最近一年使用:0次
2022-07-09更新
|
1419次组卷
|
4卷引用:福建省泉州市2021-2022学年高一下学期期末教学质量监测数学试题
福建省泉州市2021-2022学年高一下学期期末教学质量监测数学试题安徽省阜阳市第四中学2023届高三下学期第一次月考数学试题(已下线)专题7-1 立体几何压轴小题:截面与球(讲+练)-1(已下线)第二章 立体几何中的计算 专题三 空间体积的计算 微点5 空间图形体积的计算方法【培优版】