2022高一·全国·专题练习
解题方法
1 . 设
、
为
内的两点,且满足
,
,则
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324c4e9dcb8e70f42eee7895a217947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0100171a0ac9a16349c9eed2dc937e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acaada6582d5b35e2a8d5688c07f919.png)
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2022-04-11更新
|
650次组卷
|
4卷引用:专题05 向量的综合运算问题 -【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)
(已下线)专题05 向量的综合运算问题 -【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)(已下线)5.3 平面向量的应用(精练)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)(已下线)拓展一:平面向量的拓展应用 (精讲)(1)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)专题4-1向量性质与基本定理应用-2
2022高一·全国·专题练习
解题方法
2 . 设点
在
的内部,点
,
分别为边
,
的中点,且
,则
__ .
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1903889cdaea3d93a02f0da75f9222e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a43c4d2b0ec0849757007c28627bc4.png)
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2022高一·全国·专题练习
解题方法
3 . 如图,△ABC中,AD为BC边上的中线,E为AD延长线,且
,若
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd08cfa103788811e6d78f326e1d5cf.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7680697513246a71ca91496861da6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd51444729feda81fb4c1d138977049a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a933e5bfdd6f8cb56359aa8d876869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd08cfa103788811e6d78f326e1d5cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/665ba6bf-1f2d-4015-9bd4-0d7882fe13c9.png?resizew=170)
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名校
解题方法
4 . 在平面内,定点
与
、
、
满足
,
,动点
、
满足
,
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/ca479f7819b9ec8f137ee4f836695255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184d6e4bad00351802cbc2a27776f4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321912daed322c2d67104f93e9ce889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287ad91a6bf0b9bedd26844bd37f2ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738630c28c731cb6d31f9f34da0ebde8.png)
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名校
解题方法
5 . 在
中,
,
,
,若对任意的实数t,
恒成立,则
面积的最小值是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0820e602515510cad953cf24098c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b1941e8bc3041ae3ae01c99522f96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1aafb96cafdd885f9343c88f7128bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06bc489a9dc02de7a13762c15f35dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2022-03-17更新
|
357次组卷
|
2卷引用:江苏省无锡市太湖高级中学2021-2022学年高一下学期3月月考数学试题
解题方法
6 . 在菱形
中,
,
是
的中点,
是
上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb0c69e7f3ed0344e9fbcf33fee256b.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e22ba3e6e1c1d6b12d9b8baa8d1f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb0c69e7f3ed0344e9fbcf33fee256b.png)
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2022-03-13更新
|
315次组卷
|
2卷引用:陕西省安康市2021-2022学年高二上学期期末文科数学试题
解题方法
7 . 已知圆O:x2+y2=1,M,N,P是圆O上的三个动点,且满足∠MON=
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00b6673d8c1e21abb235aa34b73020c.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d080bf8850d68dbf8fc9ec6381eaee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00b6673d8c1e21abb235aa34b73020c.png)
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8 . 已知向量
,
,
,
,...
(
)是两两互不相等的平面向量,
,
,(其中
,2;
,2,...,k).若k的最大值是8,则a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a223991a4ec2ca30469960f093ddb1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc72f5677dda2b1de520c4cc3c1ceb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076a24e3692496326ebf4da40409ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763daa1b7ab03d7dde9fc00bfaa60ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e317719278325771b50ffe4576965a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03566641f79d1d6547bcd324e9656df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071621610d662a9b3b4e9435dcc0338c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa4dd10e848cc71144873a428946dc8.png)
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9 . 在三角形
中,
是
中点,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee38ef0189000b6f1bee0a046ff4b091.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee38ef0189000b6f1bee0a046ff4b091.png)
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2021-12-20更新
|
930次组卷
|
3卷引用:上海市宝山区2022届高三上学期一模数学试题
2022高三·河北·专题练习
解题方法
10 . 在
中,下列命题中正确的有:___________
①
;
②若
,则
为锐角三角形;
③
是
所在平面内一定点,动点
满足
,
,则动点
一定过
的重心;
④
是
内一定点,且
,则
;
⑤若
,且
,则
为等边三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3856445d7e0aa0c9217b7e4e2b06fa.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c44fde570691e96cd16e464f87d8d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
③
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4bb04eebbe6024fcc314f06a3576e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e0e42e9fe3670fa7db67621f94ec18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
④
![](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/b1ccde2c7ad18e7feafed3135b17210c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806a88935fd1de6903781813078956a8.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f9f040cf708479e91389b9bfb19747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad9ab991d2f3f32957c5a5d7a7653d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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