名校
解题方法
1 . 在直角
中,
M是BC中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d851c1570a352235580fec08f5e5e921.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b799b84b49bfef60a12b97eb12daade5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d851c1570a352235580fec08f5e5e921.png)
您最近一年使用:0次
2 . 如图,在平行六面体
中,
,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3874cfb92230922f405524750c7c61e.png)
________ .(用基底
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b54aa2b7f9adf409f0ce8e00615432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a75216f7a68428fb8dd41221e854117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553cbde7fbf3a38c938445beb786b98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a7df58b5b7dff3aee196b1f8d99d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3874cfb92230922f405524750c7c61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8d2051594370095e72e173fd95888a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/218976b7-cc3d-447a-be6b-bf34411b2c4c.png?resizew=179)
您最近一年使用:0次
名校
解题方法
3 . 在
中,
,且
,其中
,且
,若
分别为线段
的中点,当线段
取最小值时,
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e324f9a4de6c39fe0eb51fad7b7d17ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e0e02ffabc46127105a6c30ec4cb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116bb8c0ecad0e1e1f1f804638c1a1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c379a673d124a75d10422aaa26a75485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbdf026679286d29788137c55893d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
2021-09-18更新
|
381次组卷
|
6卷引用:河南省漯河市临颍县第一高级中学2021-2022学年高二上学期11月月考数学试题
河南省漯河市临颍县第一高级中学2021-2022学年高二上学期11月月考数学试题辽宁省庄河市高级中学2018-2019学年高一下学期期中考试数学试题2020届浙江省温州市新力量联盟高三上学期期末数学试题(已下线)狂刷21 平面向量的综合应用-学易试题君之小题狂刷2020年高考数学(理)(已下线)专题五 能力提升检测卷 (测)- 2022年高考数学一轮复习讲练测(课标全国版)(已下线)第02讲 平面向量的加法运算
解题方法
4 . 设
,分别是
的边
,
上的点,
,
.若
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc718b99fb52f53f988c91d8fc94dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7be1617e6f958fad951bef206fd01b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62bc19b4165b5e9f629cfaef2936f20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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名校
解题方法
5 . 在
中,
,
,
,点D,E分别在边BC和AC上,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8f83102dac539a35ab4914b125efe0.png)
______ .
![](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/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7765c73892863695c76c012890857cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2605c16aa89b21c88c84599aa650b994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8f83102dac539a35ab4914b125efe0.png)
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名校
解题方法
6 . 在△ABC中,点D满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a53da65c14e9ab0ee6351377136e916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f92aef16f5f17f7613e92f34c38e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
您最近一年使用:0次
2021-08-14更新
|
787次组卷
|
5卷引用:辽宁省辽河油田第二高级中学2021-2022学年高二上学期开学考试数学试题
7 . 在
中,
,
,
分别是角
,
,
的对边,
,
,
,点
为线段
的中点,则线段
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/819c7a62f0c3f64f53370d19db912c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
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名校
8 . 向量
在向量
方向上的投影向量的坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172014fe535f3d3095bfc9cf9a51de6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b12729dbc8aac5c77094d76576a351b.png)
您最近一年使用:0次
2021-08-12更新
|
748次组卷
|
6卷引用:湖北省部分重点中学2022-2023学年高二上学期9月联考数学试题
名校
解题方法
9 . 如图等腰梯形
中,
,
,
是梯形
的外接圆的圆心,
是边
上的中点,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7cefa14a90337bbbb6e378d8a892d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fa3005a0012e4e4053367bd64a38bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7cefa14a90337bbbb6e378d8a892d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccb932709cac75cfa1734ec839aa185.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/1f6010c7-f087-45c9-8f9d-156a5cad9660.png?resizew=147)
您最近一年使用:0次
2021-08-06更新
|
346次组卷
|
3卷引用:广东省肇庆中学2021-2022学年高二上学期开学考试数学试卷
广东省肇庆中学2021-2022学年高二上学期开学考试数学试卷湖北省黄冈市2020-2021学年高一下学期期末数学试题(已下线)考点18 平面向量的数量积及应用举例-备战2022年高考数学一轮复习考点帮(浙江专用)
名校
10 . 在
中,
,
,已知点
是
内一点,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4d86602a328cab66e5af3e590087fb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.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/3c2051d0ffbd7805d9e1b32a24d7a4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4d86602a328cab66e5af3e590087fb.png)
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