名校
解题方法
1 . 在边长为2的正三角形ABC中,D是BC的中点,
,CE交AD于F.①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
___________ ;②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0192984066d46160038b7623276e2eee.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79b194152945f719c21bbe5d525338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63451ad70cd68ee791396f6e8eb0132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0192984066d46160038b7623276e2eee.png)
您最近一年使用:0次
2022-11-22更新
|
312次组卷
|
2卷引用:天津市耀华中学2022-2023学年高三上学期统练(二)数学试题
2 . 已知向量
,
,若向量
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695797cbadfe77a292710550f4482427.png)
_____ ;若向量
与向量
垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695797cbadfe77a292710550f4482427.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1ce7272a58b7fe7057778d0da85d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8067a7297909414e6a56cd9cd5bfd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495af80e8054900299908cf6b51996b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695797cbadfe77a292710550f4482427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9639d1604153f63214dd63c1859faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695797cbadfe77a292710550f4482427.png)
您最近一年使用:0次
解题方法
3 . 在菱形
中,
,且
,若
,则
的值为_________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81f9d1b81e9afad9743c93d9b9d346b.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e0c39518165f6e7f6e0200c0353bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbdb9e966612613860f73b9634dca67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e073708e01a31d6ea0d3826b2bbf6af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff141a77e796894f84d0104f8f947e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81f9d1b81e9afad9743c93d9b9d346b.png)
您最近一年使用:0次
名校
解题方法
4 . 在菱形
中,
,已知点
在线段
上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad644a4baf95768ed2f087442aa18d1.png)
______ ,若点
为线段
上一个动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a01f0618ab3059b67225d90607e79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f185015e0fea2bc05c1146f2d758ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad644a4baf95768ed2f087442aa18d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9eeee83b4b7c6ceac7828ff534ce15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b10ec77d4e7aca3d4e8dfe1dda9a75.png)
您最近一年使用:0次
2022-10-19更新
|
989次组卷
|
5卷引用:天津市南开中学2022-2023学年高三上学期统练5数学试题
天津市南开中学2022-2023学年高三上学期统练5数学试题福建省泉州市2021-2022学年高一下学期期末教学质量监测数学试题(已下线)9.3.1 平面向量基本定理2(已下线)黄金卷07天津市第二十中学2023-2024学年高三下学期第三次统练数学试卷
名校
5 . 在
中,
,
,
是
中点,
在边
上,满足
,线段
和
交于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35465a18a817799ce068b582ad66501.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1e8dc3576d1dfb58ffb114c8d2c3ad.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93edbd735d79524f463085a4e9093bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eef08aecd31a5cf33b3c98946de886a.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368d768513e7f6a9d043856b03da0d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35465a18a817799ce068b582ad66501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1e8dc3576d1dfb58ffb114c8d2c3ad.png)
您最近一年使用:0次
名校
解题方法
6 . 在
中,
,
为斜边
上一点(不含端点),
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b803411e826fef958209b3041a605ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
您最近一年使用:0次
名校
7 . 已知向量
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ ;若
与
的夹角为钝角,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a08ed47d6563ffa369eec7374cccffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165f910a08822b71a4c73e8f4a159e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571bbe3e4cd85e64fa8ef0baae39fe6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c619311cad1b26c913cabde234cf2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-10-11更新
|
618次组卷
|
4卷引用:北京市广渠门中学2023届高三上学期10月月考数学试题
8 . 已知正方形ABCD的边长为2,点P满足
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12458c7ac78709c2bf5b03c79884e0c0.png)
________ ;若
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b432981af9bee0080ab220054027fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12458c7ac78709c2bf5b03c79884e0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe62a251f3d6dfb60ba2a42bdda534c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4584f1acedc0057e79445ac45e6b099d.png)
您最近一年使用:0次
22-23高三上·江苏南通·阶段练习
名校
解题方法
9 . 若
为直角坐标平面内
轴正方向上的单位向量,向量
,
,
,且
,则点
的轨迹方程为______ ,该轨迹的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f03844a4d49eadf4157de7c7c339b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9586ac8e8d50281bf240384fa1564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a392a5d5c0ed1fa7de541f7f591d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86647b813d55593f0df2546940c227ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ef035042354547d8101a05e0778193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
您最近一年使用:0次
名校
10 . 在
中,已知
为边
上一动点,过点
作一条直线交边
于点
.
为
中点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311c270ea238b5c508c867945fd416c9.png)
___________ .;
(2)设
,则
的最大值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da565fc1fe7b8361b95a084f4a87cddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8feb746c04bd5c9311260ea61bb1011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aed49ecc2b80bfb03b872742eacfccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311c270ea238b5c508c867945fd416c9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b3c6e2e5c46d4be6c55b4816b38f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b613f0f8acbcf67a315352ca292172d.png)
您最近一年使用:0次
2022-09-01更新
|
1616次组卷
|
6卷引用:福建省福州市闽侯县第一中学2023-2024学年高一下学期第二次月考(5月)数学试题