名校
解题方法
1 . 在
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392aacfacbb2e65fe1c957370f1a08df.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578b63c5903089595bf324c809a997c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392aacfacbb2e65fe1c957370f1a08df.png)
您最近一年使用:0次
2024-04-17更新
|
318次组卷
|
2卷引用:陕西省安康市高新中学2024届高三下学期3月月考数学(文)试题
名校
解题方法
2 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06346c7f8608fe52d5e1dd5c1f024b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f05e1f0c42b052c123cd36fd27fc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2024-04-16更新
|
1645次组卷
|
5卷引用:河南省部分省示范高中2024届高三下学期3月联考数学试卷
解题方法
3 . 如图,在面积为
的
中,M,N分别为
,
的中点,点P在
上,若
,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ff8c8d239cc12ddc3a899e9f054aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e50638d41cbdc64868f461b7bd3df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41c1ade5e8de470776288e5031ebc42.png)
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2024-04-15更新
|
469次组卷
|
3卷引用:【讲】 专题二 与平面给向量数量积有关的范围与最值问题(压轴大全)
(已下线)【讲】 专题二 与平面给向量数量积有关的范围与最值问题(压轴大全)河南省河南名校联考2023-2024学年高一下学期4月月考数学试题第二章 平面向量及其应用章末重点题型复习(1)-同步精品课堂(北师大版2019必修第二册)
4 . 在平行四边形
中,
是线段
的中点,点
满足
,若设
,
,则
可用
表示为_________ ;点
是线段
上一点,且
,若
,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/a30e02ffc15306ded0db46d4b219c731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8a8c17891ffbda9b616bee26d67e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e503b5f39429c162a82f047195e294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7d3a0680780aaf4549c447fe8dfe9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b901cc29a51575d40f331c7b9b1e696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2daad3e59f5fc609616df750a3b532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd6a984d1ba0eac4645344ab89bdcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bcf5c0ccfc3f1a40c4430246edf4c8.png)
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解题方法
5 . 平面四边形ABCD中,
,E为BC的中点,用
和
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
______ ;若
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7170591f38b5f1cc0806d52b435d481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6933a9aed245548551418e737d2f062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a46d2a7a3ac13a7642db7696c8672.png)
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名校
解题方法
6 . 如图,正八边形
,其外接圆
半径为2,则
=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc970542f88dadc2630b3cb7c8aefb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb2d8343970d11b3f3fb73360fe3383.png)
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2024-03-25更新
|
233次组卷
|
2卷引用:江苏省高邮市2023-2024学年高三下学期3月学情调研测试数学试题
7 . 已知
,如图所示,点
为
中点,点
满足
,记
,用
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d0ccec6c59f86aa8c3b57fabf30059.png)
______ ;当
时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfd76585cf7eece74fdd50acefd1ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ceac772dba008adf20e589703bd7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d0ccec6c59f86aa8c3b57fabf30059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26c541bcbd80642c5b51150d95134e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
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8 . 在
中,D是AC边的中点,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
________ ;设M为平面上一点,且
,其中
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88530e4ddfb48424edb6c5cb8bdcf303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9751f0147fd5897623f8d87e85474ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02f5a9fe84e87ba1080438064a69a7a.png)
您最近一年使用:0次
9 . 青花瓷,常简称青花,代表了我国古代劳动人民智慧的结晶,是中国瓷器的主流品种之一.图一是一个由波涛纹和葡萄纹构成的正六边形青花瓷盘,已知图二中正六边形的边长为
,圆
的圆心为正六边形的中心,半径为
,若点
在正六边形的边上运动,动点
在圆
上运动且关于圆心
对称.(i)请用
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6dfd72e67dcfcc2578d4612ce1a6ad.png)
_______ ;(ii)请写出
的取值范围_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/da1cdc58c5c894ccf294e6f1fa18aae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6dfd72e67dcfcc2578d4612ce1a6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787dfab61ed9830b531da365e592bbd.png)
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名校
解题方法
10 . 如图,在矩形
中,
,点
分别在线段
上,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5203b16524b496a7272b5735aad23ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64d3311a2bb737e151961dcb72692dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59809f2fa9ce4c833cdf5fe102feb8d8.png)
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2024-03-21更新
|
1717次组卷
|
4卷引用:2024届辽宁省高三二模数学试题