名校
1 . 如图,在
中,
,
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a5c5354a353046e062fd14c722e6c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f48cb56285aa78588baa224f732ff64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12cd088a6f16ee92bb314494426f11c.png)
![](https://img.xkw.com/dksih/QBM/2016/2/15/1572472770240512/1572472776196096/STEM/551eda7b09114b29a1498afb116d461c.png?resizew=132)
您最近一年使用:0次
2016-12-04更新
|
1918次组卷
|
9卷引用:2016届江苏省南京市、盐城市高三第一次模拟考试数学试卷
名校
2 . 如图,在扇形AOB中,OA=4,∠AOB=120°,P为弧AB上的一点,OP与AB相交于点C,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343fe54f56ecdfd946da5deb321def2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b1d36a54cab5ed8477450972c60a88.png)
![](https://img.xkw.com/dksih/QBM/2018/5/28/1955024646635520/1956671213756416/STEM/d22a9849367b4b7fb3254787151d647a.png?resizew=170)
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2018-05-30更新
|
939次组卷
|
2卷引用:【全国百强校】江苏省海门中学2018届高三5月考试(最后一卷)数学试题
3 . 如图,已知平行四边形ABCD中,E,M分别为DC的两个三等分点,F,N分别为BC的两个三等分点,
,
,则
=____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252ff16802256eb904a2b71628cd04dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0273a33ce427b2fe779203c7d825b59a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993b20ffebbc3cfb5232679bc7105094.png)
![](https://img.xkw.com/dksih/QBM/2019/1/8/2114174616952832/2114500117250048/STEM/ea1a7c5688a74fc59b63868d21f4e81f.png?resizew=220)
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名校
4 . 如图,在平行四边形
中,
,
,
,
为
的中点,若线段
上存在一点
满足
,则
的值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb8fb552b9e21dbaba74d11aa747790.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10072a3bb898283e5b9bb73fe12beb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ac38a8d1451ceb1516e8c2cd8356f4.png)
![](https://img.xkw.com/dksih/QBM/2020/7/27/2514972341731328/2515368116363264/STEM/a35d30f1d3ce4f509ce2bf463d5fcc46.png?resizew=173)
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2020-07-28更新
|
378次组卷
|
2卷引用:江苏省苏州市昆山市2020届高三下学期6月高考模拟数学试题
名校
解题方法
5 . 在
中,
为边
上一点.若
,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ffd3aeeab96d27a868b3ecda8344f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f59e6f4a397262b814552b4ad8e73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b89e7ff008dea7530bdc4ea5b6419d.png)
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2018-05-17更新
|
768次组卷
|
2卷引用:【全国市级联考】江苏省南京市2018届高三第三次模拟考试数学试题
解题方法
6 . 在
中,已知
,
,
.若点C,D满足
,
,则
的值为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb8015df9744ca1df1f736a1ce20b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac51bffb8f476896081027b33f7ec25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6439c3b7c6478ab4b38c1a3cc4fab78f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8b3bfe55563508597d7b6523e2dba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c63b16341b3323fd34156b45f17d93.png)
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2020-06-25更新
|
344次组卷
|
2卷引用:江苏省连云港市赣榆区智贤中学2020届高三下学期高考适应性考试数学试题
名校
7 . 如图,在等腰直角
中,
,
分别为斜边
的三等分点(
靠近点
),过
作
的垂线,垂足为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec2a057c4956612381a359a984e1008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
![](https://img.xkw.com/dksih/QBM/2020/8/14/2527907448750080/2540649089114112/STEM/f56ca217058148a8b53c44d89cfbae7c.png?resizew=222)
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名校
8 . 在△
中,
,
,
,
是△
所在平面内一点,若
,则△
面积的最小值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f769ac74589e9ec5b1825c5cb32f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007a01e5a6dc34a2fd78127ad98ea8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea6e6eaa1bef454364f741167084095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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名校
9 . 如图,在圆的内接四边形ABCD中,对角线BD为圆的直径,
,
,
,点E在BC上,且
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06201e4f55b78d8b30afb257d5a1b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a869461492bf99722c51dd18e17e7534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf7ab83afe05407be2d2518b16aa796.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/2f98eea3-31ac-416d-b7e3-10e9824d9b1b.png?resizew=131)
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2020-05-28更新
|
297次组卷
|
2卷引用:江苏省盐城市第一中学2020届高三下学期第一次调研考试数学试题
解题方法
10 . 设D,E分别是△ABC的边AB,BC上的点,
,若
(λ1,λ2为实数),则λ1+λ2=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa38bb5079900e52f8e1f690d8d6463f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f40d04b4960e1b12c43d46afdccb4401.png)
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2020-03-17更新
|
292次组卷
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3卷引用:2020届江苏省南京市秦淮区高三第一次模拟考试适应性测试数学试题
2020届江苏省南京市秦淮区高三第一次模拟考试适应性测试数学试题巩固练02 平面向量的基本定理及坐标表示-2020年【衔接教材·暑假作业】新高二数学(2019人教版)(已下线)第28讲 向量的分解与向量的坐标运算-2021年新高考数学一轮专题复习(新高考专版)