解题方法
1 . 如图,已知四边形
为直角梯形,其中
,
,
现将四边形
沿着
旋转至
,使得平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/4629e538-a4d6-40bd-b6b4-301582bf9ada.png?resizew=177)
(1)证明:
,
,
,
四点共面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若
,点
在线段
上,且
,求平面
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ec3e8deebee8cbff5b70779fcde8d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/4629e538-a4d6-40bd-b6b4-301582bf9ada.png?resizew=177)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbb2dce15f3d0fe839688575d2a8ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbbe7f48676298f2ee0cb1901992eaf.png)
您最近一年使用:0次
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|
411次组卷
|
3卷引用:江苏省南通市如东县2022-2023学年高三上学期期末数学试题
解题方法
2 . 在平面直角坐标系
中,已知椭圆
的左顶点为
,上顶点为
,右焦点为
,连接
并延长交椭圆
于点椭圆
.
(1)若
,
,求椭圆
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若直线
与直线
的斜率之比是
,求
与
的面积之比.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b249458bdbd356efc6b40a8597e8944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9143ba2dc111504beced8ea6bf1e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c525358262126a51fbb598d58f3e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceff3844281849df3e37a2e56e110549.png)
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2023-01-20更新
|
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|
2卷引用:江苏省南通市如东县2022-2023学年高三上学期期末数学试题
名校
解题方法
3 . 已知椭圆
的离心率为
,且过点
.
(1)求椭圆
的方程;
(2)
为坐标原点,
是椭圆
上不同的三点,并且
为
的重心,试探究
的面积是否为定值.若是,求出这个定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7e1eb883361e8f1ee481a0732e1697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
4 . 已知抛物线
经过点
.
(1)求抛物线
的方程;
(2)动直线
与抛物线
交于不同的两点
,
,
是抛物线上异于
,
的一点,记
,
的斜率分别为
,
,
为非零的常数.
从下面①②③中选取两个作为条件,证明另外一个成立:
①
点坐标为
;②
;③直线
经过点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
从下面①②③中选取两个作为条件,证明另外一个成立:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ca6a90ebd1486668a78b938e003e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c04c1b0a7ba45962889b559b20d484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6ce0e134669fcdf7329c01eae9096.png)
您最近一年使用:0次
2023-01-20更新
|
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|
5卷引用:江苏省南通市海门区2022-2023学年高三上学期期末数学试题
江苏省南通市海门区2022-2023学年高三上学期期末数学试题宁夏中卫市2023届高三一模数学(文)试题(已下线)技巧04 结构不良问题解题策略(5大题型)(练习)(已下线)模块三 专题12 抛物线 B能力卷(已下线)模块三 专题15 抛物线 B能力卷
解题方法
5 . 如图,四棱锥
的底面
为平行四边形,平面
平面
,
,
,
,
分别为
,
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/cad5bf6d-5e78-4910-b06c-fa2f6c301a65.png?resizew=167)
(1)证明:
;
(2)若四棱锥
的体积为1,求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad66254013eed04fca238de6738c0c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca466610c2305580ea0b33eac6d2433e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d451324445a93eb518abdc2bd9a4733.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/cad5bf6d-5e78-4910-b06c-fa2f6c301a65.png?resizew=167)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44f4120c94cb7176dc31fcac387b32e.png)
(2)若四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-01-20更新
|
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2卷引用:江苏省南通市海门区2022-2023学年高三上学期期末数学试题
名校
6 . 在平面直角坐标系
中,设曲线
所围成的封闭图形的面积为
,曲线
上的点到原点O的最短距离为
.以曲线
与坐标轴的交点为顶点的椭圆记为
.
(1)求椭圆
的标准方程:
(2)设AB是过椭圆
中心O的任意弦,l是线段AB的垂直平分线,M是l上的点(与O不重合),若M是l与椭圆
的交点,求
的面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab0adfd79da57da41d974e9d49f9abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设AB是过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b0c4b339f44bbac0e275eb0718234.png)
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2023-01-19更新
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5卷引用:江苏省无锡市江阴市普通高中2022-2023学年高三上学期期末数学试题
江苏省无锡市江阴市普通高中2022-2023学年高三上学期期末数学试题山东省潍坊市临朐县实验中学2022-2023学年高三下学期2月月考数学试题浙江省杭州学军中学(紫金港校区)2022-2023学年高二下学期5月检测数学试题(已下线)模块三 专题10 椭圆 B能力卷(已下线)模块三 专题13 椭圆 B能力卷
名校
解题方法
7 . 如图,在四棱锥
中,
,
,
,
,
,
,
平面PAD,点M满足
.
,求证:平面
平面
;
(2)设平面MPC与平面PCD的夹角为
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71be6f57fdb788b6fe4a89efababd279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9fa8832f98b5418a7d75892f7951b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbb2dce15f3d0fe839688575d2a8ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923718ac7b296dd2c3b5b1d8ea0c3b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c304d768ffa7a39a0d9d3debdc353a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f83464bf17f9d4d9ee6a7f299539871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d24305d21268a9b67cf6a8daae6bbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c52b9478a450d15ff31eb1212a39ee6.png)
(2)设平面MPC与平面PCD的夹角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572c06bd0f70aaf88cfd95a37541ea28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
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2048次组卷
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7卷引用:江苏省无锡市江阴市普通高中2022-2023学年高三上学期期末数学试题
江苏省无锡市江阴市普通高中2022-2023学年高三上学期期末数学试题(已下线)专题6 第3讲 立体几何中的向量方法四川省成都市第七中学2022-2023学年高三上学期1月月考数学理科试题四川省成都市第七中学2023年高三上学期1月月考数学文科试题江苏省淮安市淮安区2022-2023学年高二下学期期中数学试题山东省潍坊市临朐县实验中学2022-2023学年高三下学期2月月考数学试题(已下线)模块一 专题6《 空间向量应用》 A基础卷 (苏教版)
22-23高三上·江苏南通·期末
8 . 如图,在三棱柱
中,底面
是边长为2的正三角形,
,平面
平面ABC,M是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/832aa1d5-53eb-4ac7-bb91-7313755a9f20.png?resizew=195)
(1)证明:
平面
;
(2)若四棱锥
的体积为
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44909eeb4d00c099198c3ed677b7b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dee56b9f36ba8f76fe67b76383636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/832aa1d5-53eb-4ac7-bb91-7313755a9f20.png?resizew=195)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4557a368725226f2c8ea2efb7d30e478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9078475c350c04bd97666d808dd55a.png)
(2)若四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4fe7e424d4d0d16f2c312188753cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9052adaffb2d28fd9a3cd737a9b4ef28.png)
您最近一年使用:0次
22-23高三上·江苏南通·期末
名校
解题方法
9 . 在平面直角坐标系xOy中,已知圆E:
和定点
,P为圆E上的动点,线段PF的垂直平分线与直线PE交于点Q,设动点Q的轨迹为曲线C.
(1)求曲线C的方程;
(2)设曲线C与x轴正半轴交于点A,过点
的直线l与曲线C交于点M,N(异于点A),直线MA,NA与直线
分别交于点G,H.若点F,A,G,H四点共圆,求实数t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f269f3d5e4148989d8897efa29cc60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
(1)求曲线C的方程;
(2)设曲线C与x轴正半轴交于点A,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17472f36adda39804d085fb0ed031f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
您最近一年使用:0次
10 . 已知椭圆
的左、右焦点分别为
,过点
作直线
(与
轴不重合)交
于
两点,且当
为
的上顶点时,
的周长为8,面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb5577e464a02b38365a7d963642ad6.png)
(1)求
的方程;
(2)若
是
的右顶点,设直线
的斜率分别为
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322a98c752d29b5721f17cb269564b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656690e5d6fe1b44a4983086229f34ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb5577e464a02b38365a7d963642ad6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9913c4712821819af99d54b3dcfd19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667cb59b1d1cb18b48d881b154013650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0f3d01ffbe8e92705998320ddf2f44.png)
您最近一年使用:0次
2023-01-16更新
|
1933次组卷
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7卷引用:江苏省南通市区、启东市、通州区2022-2023学年高三上学期期末联考数学试题