名校
1 . 已知
关于直线
对称,且圆心在
轴上.
(1)求
的标准方程;
(2)已知动点
在直线
上,过点
引
的两条切线
、
,切点分别为
.
①记四边形
的面积为
,求
的最小值;
②证明直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c204fcaf7b3e0d749adea6dafdad3a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e35701dd16dbf6ec916064880b8b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
(2)已知动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac076fdca84ebbc3eff76c2021c1412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
①记四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6fff72898f1f4c319f4b13832f37ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
②证明直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2019-05-12更新
|
3825次组卷
|
10卷引用:辽宁省沈阳市郊联体2020-2021学年高二上学期期中考试数学试题
辽宁省沈阳市郊联体2020-2021学年高二上学期期中考试数学试题【市级联考】山东省潍坊市2018-2019学年高一下学期期中考试数学试题广东省广州市华南师大附中2018-2019学年高一下学期期末数学试题云南省大理州大理市下关第一中学2018-2019学年高一下学期期末数学(理)试题广东省真光中学2021-2022学年高二上学期10月月考数学试题广东省广州市七中2021-2022学年高二上学期期中数学试题(已下线)专题08 与圆有关的定点问题以及阿波罗尼斯圆-【重难点突破】2021-2022学年高二数学上册常考题专练(人教A版2019选择性必修第一册)(已下线)专题13 《圆与方程》中的动点动直线问题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)广东省广州市真光中学2022-2023学年高二上学期10月月考数学试题(已下线)难关必刷03圆的综合问题-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
2 . 在平面直角坐标系
中,定长为3的线段
两端点
、
分别在
轴,
轴上滑动,
在线段
上,且
.
(1)求点
的轨迹
的方程;
(2)设点
是轨迹
上一点,从原点
向圆
作两条切线分别与轨迹
交于点
,
,直线
,
的斜率分别记为
,
.
①求证:
;
②求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c972f6f6f84ff2acf38f160f14bae7.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc951dd5798b9e92a14c3e963d50942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac9ba606fb477550aa62db7bfa0ac4.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3668b55ec6c015b1afe1aabb38392a35.png)
您最近一年使用:0次
2019-01-26更新
|
499次组卷
|
2卷引用:【校级联考】辽宁省辽南协作校联考2018-2019学年高二上期末考试理科数学试题
名校
3 . 抛物线
的焦点为
,准线为
,若
为抛物线上第一象限的一动点,过
作
的垂线交准线
于点
,交抛物线于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/51741405-0d8f-4583-aa52-ed92b689b944.png?resizew=227)
(Ⅰ)求证:直线
与抛物线相切;
(Ⅱ)若点
满足
,求此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/51741405-0d8f-4583-aa52-ed92b689b944.png?resizew=227)
(Ⅰ)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(Ⅱ)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2019-05-14更新
|
1360次组卷
|
4卷引用:【校级联考】东北三省三校(辽宁省实验中学、东北师大附中、哈师大附中)2019届高三第三次模拟考试数学(理)试题
【校级联考】东北三省三校(辽宁省实验中学、东北师大附中、哈师大附中)2019届高三第三次模拟考试数学(理)试题【校级联考】东北三省三校2019届高三第三次模拟考试数学(文)试题福建省永春一中2019-2020学年高二4月份阶段考试数学试题(已下线)专题04 直线与抛物线相结合问题(第五篇)-备战2020年高考数学大题精做之解答题题型全覆盖
名校
4 . 已知
.
(1)求函数
在定义域上的最小值;
(2)求函数
在
上的最小值;
(3)证明:对一切
,
都成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce37d916f185cf89e4d2c35ef7c15d8.png)
(3)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513ddc07d9b763ed7e1c8055154b8183.png)
您最近一年使用:0次
2019-04-27更新
|
924次组卷
|
5卷引用:【全国百强校】辽宁省师范大学附属中学2019届高三上学期期中考试文科数学试题
【全国百强校】辽宁省师范大学附属中学2019届高三上学期期中考试文科数学试题辽宁省沈阳铁路实验中学2019-2020学年高三上学期10月月考数学(文)试题黑龙江省鹤岗市第一中学2018-2019学年高二6月月考数学(文)试题河南省南阳市2019-2020学年高三上学期期中数学(文)试题(已下线)理科数学-2021年高考考前20天终极冲刺攻略(四)(课标全国卷)(6月5日)
5 . 设椭圆
的左、右焦点分别为
,
,下顶点为
,
为坐标原点,点
到直线
的距离为
,
为等腰直角三角形.
(1)求椭圆
的标准方程;
(2)直线
与椭圆
交于
,
两点,若直线
与直线
的斜率之和为
,证明:直线
恒过定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc7080a72f92adf5f57daf281fd359c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2019-04-18更新
|
903次组卷
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5卷引用:【市级联考】辽宁省辽阳市2019届高三二模数学(理科)试题
【市级联考】辽宁省辽阳市2019届高三二模数学(理科)试题【校级联考】甘肃省白银市靖远县2019届高三第四次联考数学(文)试题【校级联考】甘肃省靖远县2019届高三第四次联考数学(理)试题(已下线)专题9.10 高考解答题热点题型(二)定点、定值、探索性问题-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破(已下线)专题9.7 直线与圆锥曲线(精练)-2021年高考数学(理)一轮复习学与练
6 . 已知动直线
与椭圆C:
交于
,
两个不同点,且
的面积
=
,其中
为坐标原点.
(1)证明
和
均为定值;
(2)设线段
的中点为
,求
的最大值;
(3)椭圆C上是否存在点D,E,G,使得
?若存在,判断
的形状;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f4b244b3b0799cfb1994364036eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45b8b000c9c286bff8a480dbf03b513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea92dbf2b95b180521cdb9210972a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3625894aa1bea3218ea0b8c561a18e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22fab302e4b48fcfe0d6043bd233b95.png)
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba58f1de1448292fe3d70157b3692371.png)
(3)椭圆C上是否存在点D,E,G,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a273b9ddfd48586d77ed99f3fa20df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d480e8b2c516612b47a19cb62d9bb0.png)
您最近一年使用:0次
2019-01-30更新
|
5828次组卷
|
6卷引用:辽宁省沈阳市东北育才学校2014-2015学年高二上学期第二次段考数学试题(理科)
名校
7 . 已知抛物线
:
(
),过点
的直线
与抛物线
相交于
,
两点,
为坐标原点,且
.
(1)求抛物线
的方程;
(2)点
坐标为
,直线
,
的斜率分别
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c16325e47c47fa58c4ac3b4c2c17b6.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/9e1efe96e7776f1b5dfa92c295f8d97d.png)
您最近一年使用:0次
2018-12-20更新
|
1029次组卷
|
4卷引用:【全国百强校】辽宁省沈阳市东北育才学校2018-2019学年高二上学期第二次月考数学(文)试题
8 . 已知函数
,
是函数
的两个极值点
.
(1)求
的取值范围.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5660568682db0c3febee337ce73238b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691dacaa369a98eb9cbb4cff25017be8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbddc9cbae06abe13be1be2278a8b40.png)
您最近一年使用:0次
2019-04-20更新
|
852次组卷
|
4卷引用:【市级联考】辽宁省辽阳市2019届高三二模数学(理科)试题
9 . 已知函数
.
(1)求
的单调区间;
(2)若
,证明:
;
(3)若
,直线
与曲线
相切,证明:
.
(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f46c0c6bac05fdfe761c42b3c5799a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963b11b722d4b7e8b5f048954166673f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc64e6a29b8d9d3a7e23b24f22a14db9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18b4e7b5b0e4d4e3803654a89770b12.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb32b8e1404a7ba54eb083ff0386380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f89f25b1573fe92f0e257dd0675aee0.png)
您最近一年使用:0次
2019-01-13更新
|
552次组卷
|
2卷引用:【市级联考】辽宁省辽阳市2019届高三上学期期末考试数学(文)试题
名校
10 . 已知
,
.
(1)当
时,求证:
;
(2)若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc55b654dd4b28d58412085d659210b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804b45b347ff8a0d66a4130202b5d09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb97093e128d6d658cb2a1d7f8911cf9.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d62318fc1696a2a8eb285ad9ac80f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5174d8552773562a352efe6bc6b7bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-12-14更新
|
542次组卷
|
2卷引用:辽宁省沈阳市五校协作体2019-2020学年高三上学期期中数学(理) 试题