1 . 已知极坐标的极点在平面直角坐标系的原点O处,极轴与x轴的正半轴重合,且长度单位相同.直线l的极坐标方程为:
,若点P为曲线
,(
为参数)上的动点,其中参数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f017a2571b924da5048a42a22244eca1.png)
(1)试写出直线l的直角坐标方程及曲线C的普通方程;
(2)求点P到直线l距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b203a3df62ec9aa5ac2eda71d2fcb331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfcae7ccc407799dd94bb0781c7ef076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f017a2571b924da5048a42a22244eca1.png)
(1)试写出直线l的直角坐标方程及曲线C的普通方程;
(2)求点P到直线l距离的最大值.
您最近一年使用:0次
名校
2 . 在直角坐标系xOy中,直线l的参数方程为
(t为参数,
),曲线C的参数方程为
(
为参数),以坐标原点O为极点,x轴正半轴为极轴建立极坐标系.
(1)求曲线C的极坐标方程;
(2)设C与l交于M,N两点(异于原点),求|OM|+|ON|的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c303c71d57ac11fde4b58587f139856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10adc3992efb2badc23f81d36faa206f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f35a0c83ee482aeb67ae74576a84c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)求曲线C的极坐标方程;
(2)设C与l交于M,N两点(异于原点),求|OM|+|ON|的最大值.
您最近一年使用:0次
2020-07-24更新
|
223次组卷
|
7卷引用:广东省佛山市普通高中2018届高三教学质量检测(一)数学(文)试题
3 . 在平面直角坐标系
中,曲线
的参数方程为
(t为参数),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)说明
是哪种曲线,并将
的方程化为极坐标方程;
(2)设点M的极坐标为
,射线
(
)与
的异于极点的交点为A,与
的异于极点的交点为B,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38584a29660f439c5a84d7a500ea0985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设点M的极坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e26989f14863e8eb654310a42f8d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
2020-05-30更新
|
407次组卷
|
3卷引用:2020届广东省佛山市高三教学质量检测(二模)数学(理)试题
4 . 已知曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)写出曲线
的极坐标方程;
(2)点
是曲线
上的一点,试判断点
与曲线
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e240d7877b9b77025a3938336d69d941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c3546925badf4df8ae47d972c1cfb6.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-04-09更新
|
136次组卷
|
2卷引用:广东省佛山市南海区2019-2020学年高三下学期3月综合能力测试数学(文)试题
5 . 已知极坐标系的极点在直角坐标系的原点
,极轴与
轴的正半轴重合,直线
的极坐标方程为
,曲线
的参数方程是
(
是参数)
(1)求直线
的直角坐标方程及曲线
的普通方程;
(2)若直线
与曲线
交于点
,求以
为直径的圆的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585f945b949c73caa3de7ca82c915779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840fdec3ee12d75ca10c72ca83f2b760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
您最近一年使用:0次
名校
6 . 在平面直角坐标系
中,已知曲线
与曲线
,(
为参数).以坐标原点为极点,
轴的正半轴为极轴建立极坐标系.
(1)写出曲线
,
的极坐标方程;
(2)在极坐标系中,已知
与
,
的公共点分别为
,
,
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55e67ae5ccd06b409b0aefc03be8e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ad595fc31d8b4758b1e5c434c601c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在极坐标系中,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c4316c7a3ddc450b033de21a2c69e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814314b90714feed272e7610fd80be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2020-03-04更新
|
1472次组卷
|
23卷引用:2020届广东省佛山市第一中学高三上学期期中数学(文)试题
2020届广东省佛山市第一中学高三上学期期中数学(文)试题【校级联考】江西省临川第一中学等九校2019届高三3月联考理科数学试题【校级联考】江西省临川第一中学等九校2019届高三3月联考数学(文)试题江西省樟树中学等九校2019届高三联合考试数学(文)试题【校级联考】江西省樟树中学等九校2019届高三联合考试数学(理)试题【校级联考】湖南省宁乡一中、攸县一中2019届高三4月联考数学理试题福建省永安市第三中学2019届高三毕业班4月份阶段测试数学(理)试题【全国百强校】内蒙古赤峰二中2018-2019学年高二4月月考数学(文)试题【市级联考】河北省沧州市2018-2019学年高二下学期期中考试数学(理)试题2020届陕西省西安中学高三第二次模拟数学(理)试题2019届湖南省长沙市雅礼中学高三下学期第八次月考数学(理)试题2019届湖南省长沙市雅礼中学高三下学期第八次月考数学(文)试题2020届全国100所名校高三模拟金典卷文科数学(三)试题2020届全国100所名校高三模拟金典卷理科数学(三)试题江西省南昌市第十中学2019-2020学年高二5月摸底考试数学试题湖北省黄冈市黄梅国际育才高级中学2018-2019学年高二下学期期中数学(文)试题(已下线)专题13.3 选修4-4 坐标系与参数方程单元检测-2021届高考数学(理)一轮复习讲练测安徽省六校教育研究会2021届高三下学期2月第二次联考理科数学试题安徽省六校教育研究会2021届高三下学期2月第二次联考文科数学试题湖北省武汉市部分重点中学2019-2020学年高三上学期起点考试数学(理)试题四川省绵阳市江油市江油中学2020-2021学年高三上学期10月月考数学试题辽宁省沈阳市第三十一中学2019-2020学年高三第二次联考数学理试题安徽省滁州市定远县复读学校2020届高三下学期第一次模拟考试文科数学试题
名校
7 . 在平面直角坐标系
中,曲线
:
,曲线
:
(
为参数),以坐标原点
为极点,
轴正半轴为极轴,建立极坐标系.
(1)求曲线
,
的极坐标方程;
(2)曲线
:
(
为参数,
,
),分别交
,
于
,
两点,当
取何值时,
取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa59d9aa0b6845adbaf601f942a32e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034b0016e917518d0bc6d25eedca51b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadd634077778c9db49c6082de3af072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553c225e9d2342c2d7d9c70a7d18b5c2.png)
您最近一年使用:0次
2020-01-17更新
|
441次组卷
|
9卷引用:2017届广东省佛山市高三4月教学质量检测(二)数学文试卷
2017届广东省佛山市高三4月教学质量检测(二)数学文试卷2017届广东省佛山市高三4月教学质量检测(二)数学理试卷广东省佛山市南海区2018-2019学年高二下学期期末数学理试题黑龙江省哈尔滨市第六中学2017届高三下学期第三次模拟考试数学(文)试题广西桂林市桂林中学2017届高三5月全程模拟考试数学(理)试题宁夏银川一中2016-2017学年高二下学期期末考试数学(理)试题(已下线)2020届高三12月第01期(考点13)(文科)-《新题速递·数学》广东省三校(广州真光中学、深圳市第二中学、珠海市第二中学)2020届高三上学期第一次联考数学(文)试题2020届江苏省南通市通州区高三下学期第一次模拟测试数学试题
名校
8 . 在直角坐标系
中,曲线
的参数方程为
(
为参数).
(1)写出曲线
的普通方程,并说明它表示什么曲线;
(2)已知倾斜角互补的两条直线
,
,其中
与
交于
,
两点,
与
交于
,
两点,
与
交于点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3455fe1b302bdd589aabb5f2fe4f40a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知倾斜角互补的两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/3f6f17bc385bafb37e8f964e5eb99cd0.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288399a4bd34af6663e020b93a53c9ce.png)
您最近一年使用:0次
2020-01-10更新
|
607次组卷
|
3卷引用:广东省佛山市2019-2020学年高三教学质量检测(一)数学理科试题
9 . 在直角坐标系
中,直线
的参数方程为
(t为参数).以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为
.
(1)求直线
的普通方程和曲线C的直角坐标方程;
(2)设点P为曲线C上的动点,点M,N为直线
上的两个动点,若
是以
为直角的等腰三角形,求
直角边长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72eee7bf0d93301f69d8954bd53c1d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a2a6f848132cc5f3238e729271fd6c.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点P为曲线C上的动点,点M,N为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec1f8a14b2c1570aa076166017ccf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec1f8a14b2c1570aa076166017ccf33.png)
您最近一年使用:0次
名校
10 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),在同一平面直角坐标系中,经过伸缩变换
得到曲线
,以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系(
为极径,
为极角).
(Ⅰ)求曲线
的直角坐标方程和曲线
的极坐标方程;
(Ⅱ)若射线
与曲线
交于点
,射线
与曲线
交于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511dfb63c69a5c48bf1950b27d3e6948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851f3dc3cd5ae093030648d1f23a7152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74143ac3e5453b152dbca0fe25feb06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171102a883b22fe6ca578efc8926f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(Ⅱ)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b792b5efd662787a72d866da1269afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4df200d17119d16ade918e58687a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
您最近一年使用:0次
2019-09-23更新
|
1276次组卷
|
8卷引用:广东省佛山市实验中学2019-2020学年高三12月月考数学(理)试题