名校
1 . 已知点
是
内一点,满足
,且
,延长
交边
于点
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d212efb3b99f757bd73a01d4028599a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f224879d451c00bbfecbe286044e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.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/d39b6bef27de230acad352f25e954f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
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2019-04-18更新
|
859次组卷
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3卷引用:【校级联考】江苏省泰州中学等2019届高三第二学期联合调研测试数学试题
名校
解题方法
2 . 在
中,已知
,
,
,点
是边
的中点,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40eb326c96c22db416b1f5ec223076f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae15e5357601ddb7e303b56dbe337145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c6a3093cdd379246e6a7d0d4e5f240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3a7e3355ee508b11f19c15e28dfeab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d8f219bd490c7e8b4aaff5f7c9954.png)
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2020-03-20更新
|
565次组卷
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6卷引用:江苏省南京市2020届高三9月学情调研数学试题
名校
解题方法
3 . 在
中,
,
,
,
,
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2dedb0fc7d1e206651241cab25615e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c1b4b4c8fda01cb5ff00f52e0b269b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dd82bb60b4a503e0f41db17d56b69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee4e718ef1e35c5716729bdd1a47073.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/e7499978-0e61-4c7d-bf29-4ca14357e619.png?resizew=259)
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2020-03-25更新
|
491次组卷
|
9卷引用:2020届江苏省南通市海门中学高三上学期10月第一次教学质量检测数学试题
2020届江苏省南通市海门中学高三上学期10月第一次教学质量检测数学试题江苏省扬州市邗江区蒋王中学2019-2020学年高三上学期10月学情检测数学试题第9章 平面向量 (A卷基础卷)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材苏教版)江苏省常州市华罗庚中学2021-2022学年高一下学期3月月考数学试题(已下线)第九章 平面向量(单元重点综合测试)-单元速记·巧练(苏教版2019必修第二册)湖北省黄冈市黄梅县黄梅国际育才高级中学2022-2023学年高一下学期3月月考数学试题河南省济源市第六中学2023-2024学年高一上学期9月月考数学试题河南省济源市第六中学2022-2023学年高一下学期5月考数学试题河南省济源市济源高级中学2022-2023学年高一下学期3月月考数学试题
名校
解题方法
4 . 在梯形
中,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776a60c8de7e8bb51d466275bb9b63c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9168e6d69ce98affd9cb0460f892b92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
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2020-03-29更新
|
525次组卷
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4卷引用:2020届江苏省南京市中华中学高三下学期阶段考试数学试题
2020届江苏省南京市中华中学高三下学期阶段考试数学试题(已下线)冲刺卷06-决战2020年高考数学冲刺卷(山东专版)浙江省杭州市第二中学2020届高三下学期考前热身考试(最后一卷)数学试题(已下线)第11练 平面向量的数量积-2021年高考数学一轮复习小题必刷(山东专用)
名校
5 . 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)
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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
6 . 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
2019高三下·江苏·专题练习
7 . 如图,
,点
是线段AB上的一个动点,D为OB的中点,则
的最小值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963a1598be7287d4e1c5f15d25227401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa5e09d4e35b3de4f2a274318fc6b98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/a6a9fdc5-5a34-4af9-84f4-c1972ef2da59.png?resizew=197)
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8 . 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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9 . 在梯形
中,
,
,
,
,
,若
,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37591109b0a0ec5ffe2133f83310eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f575e3fe0eda8574f8ca97e2c719c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea21e725c5115a441cb4fa9c43c7129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c192df9d3332adab7412a21de20241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7e532c688900e1f617a9cc4712381.png)
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2019-05-15更新
|
611次组卷
|
2卷引用:【区级联考】江苏省南通市通州区2019届高三第二学期四月质量调研检测数学试题
名校
10 . 设点
在
所在平面内,若
,则
与
的面积比为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f452d678b6949f6acc0e6f45fec57a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f66a8aa1d735b9b2ac2d8a373a553a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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