解题方法
1 . 设
是抛物线
:
的焦点,点
在
上,光线
经
轴反射后交
于点
,则点
的坐标为___________ ,
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590fa7c70bd0a95eb7179a39d2157f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/8b56b14a5ae2e6fcd3d1f80ea245e74c.png)
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解题方法
2 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9326f5826a383bf5bc10d7be230753cc.png)
的最大值为_________ ,所有零点之和为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9326f5826a383bf5bc10d7be230753cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfb399436e5b469968b69f3fbac2f18.png)
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2020-04-19更新
|
720次组卷
|
3卷引用:福建省泉州市普通高中2019-2020学年毕业班第一次质量检查(文科)数学试题
3 . 2020年1月,一场由新型冠状病毒引发的肺炎席卷全国,全国人民众志成城抗击疫情.下图为温州市2月2日至2月9日的疫情变化趋势图,从中可以看出2月_______ 日当天新增治愈人数超过了当天新增确诊人数,其当天新增治愈人数比当天新增确诊人数多________ 人.
![](https://img.xkw.com/dksih/QBM/2020/4/17/2443432928403456/2444298555990016/STEM/b39c8e480da645378530a618529a30f4.png?resizew=554)
![](https://img.xkw.com/dksih/QBM/2020/4/17/2443432928403456/2444298555990016/STEM/b39c8e480da645378530a618529a30f4.png?resizew=554)
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2020-04-18更新
|
338次组卷
|
4卷引用:福建省长汀县龙宇中学2021届高三上学期特长生数学试题
福建省长汀县龙宇中学2021届高三上学期特长生数学试题2020届浙江省温州市高三下学期4月二模数学试题2020届浙江省温州市普通高中高三下学期4月高考适应性测试数学试题(已下线)专题51 盘点统计初步及独立性检验问题——备战2022年高考数学二轮复习常考点专题突破
名校
解题方法
4 . 若x5=a0+a1(x-2)+a2(x-2)2+…+a5(x-2)5,则a1=_____ ,a1+a2+…+a5=____
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解题方法
5 . 已知双曲线
的左焦点为
,
、
为双曲线上关于原点对称的两点,
的中点为
,
的中点为
,
的中点为
,若
,且直线
的斜率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
__________ ,双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f506bcb56127e1345ec989ae07375ca.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/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c8034aef9ecb15c709331282b96eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98810f2695925376a50c08948fc6b431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821309f088a175c00dc0f4828334503d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
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2020-04-13更新
|
358次组卷
|
2卷引用:福建省普通2019-2020学年高中高三3月理科数学试题
名校
解题方法
6 . 四面体ABCD的每个顶点都在球O的球面上,AB,AC,AD两两垂直,且
,
,
,则四面体ABCD的体积为____ ,球O的表面积为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
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2020-03-24更新
|
664次组卷
|
10卷引用:2020届海南省新高考高三线上诊断性测试数学试题
2020届海南省新高考高三线上诊断性测试数学试题(已下线)强化卷06(3月)-冲刺2020高考数学之少丢分题目强化卷(山东专版)陕西省汉中市重点中学2019-2020学年高三下学期4月开学第一次联考数学(理)试题陕西省汉中市重点中学2019-2020学年高三下学期4月开学第一次联考数学(文)试题天津市河北区2020-2021学年高三上学期期末数学试题福建省晋江市磁灶中学2022届高三上学期阶段测试(一)数学试题2020届辽宁省辽阳市高三一模考试数学(文)试题2020届辽宁省辽阳市高三一模考试数学(理)试题浙江省湖州市长兴中学2020-2021学年高二上学期12月月考数学试题(已下线)【新东方】双师112
名校
7 . 在锐角
中,
,则
的取值范围是_______ ,
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869630f5740670e11a882ae41e30d523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049138668d9ab879964390b7a555edb4.png)
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名校
解题方法
8 . 如图,函数
(
,
)的图象与坐标轴交于点
,
,
,直线
交
的图象于点
,
(坐标原点)为
的重心,
,则点
的坐标为______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281906e45b2cccc16408090c97c00c76.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6a1a187bee0ac1a1a7849bfd06b17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a297d9b18487cde772be5c7d2676b0.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3e99ed3979964d37802dba57bd01fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281906e45b2cccc16408090c97c00c76.png)
![](https://img.xkw.com/dksih/QBM/2020/3/19/2422956204154880/2423498076692480/STEM/a1c51958023a422f9a6ddc5fe6e73c11.png?resizew=178)
您最近一年使用:0次
2020-03-20更新
|
372次组卷
|
3卷引用:2020届福建省厦门市高中毕业班线上质量检查数学(文科)试题
解题方法
9 . 已知
的准线
与
轴交于点
点
在
上,
是面积为
的等腰直角三角形,则
的方程为__________ ;
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.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/f8679d709d10043947119f4456014a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cf40b6cf2051622c0a52e84710c138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768508b1a1b05f0d3e8cd4d2464344df.png)
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2020-03-19更新
|
286次组卷
|
2卷引用:2020届泉州市高三毕业班线上质量检测理科数学试题
解题方法
10 . 如图1,在矩形
中,
分别为
的中点.将四边形
沿
折起使得二面角
的大小为120°(如图2),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdded35246f4332b45a69696a7fdb.png)
_______ ;三棱锥
的外接球表面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d81d1b2b8763cc0db6bcd3a15bb2f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46c696ff5f123a482bae81cf9a1b570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e2871593862c9b4726d913873b2091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdded35246f4332b45a69696a7fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d669dc41b40ceac1fa096364cad3b3.png)
![](https://img.xkw.com/dksih/QBM/2020/3/15/2419643566260224/2420286398283776/STEM/0bb2194b37b14ef6985fc15562daf000.png?resizew=343)
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