名校
解题方法
1 . 如图,在
中,
,
,D,E分别是直线
,
上的点,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d386c4cd13d9fe9af2382960b71489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5762ef8627372fd72cd44cade28da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bba98b56e956fca9aaab0c7c817300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/86a3201a-2327-44b5-adb9-77ebfde7ae3c.png?resizew=158)
您最近一年使用:0次
2020-06-26更新
|
551次组卷
|
2卷引用:江苏省镇江市扬中市第二高级中学2020-2021学年高三上学期初检测数学试题
名校
2 . 如图,在
中,
,
是线段
上一点,若
,则实数
的值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7353f4839acdd051bafaeb37f4d5cafb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e072b35b370c78b8aca5cdcc6d7463b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/d92bf7a2-581d-4a78-9399-ed74f33e2f8c.png?resizew=120)
您最近一年使用:0次
2019-05-14更新
|
710次组卷
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7卷引用:【全国百强校】青海省西宁市第四高级中学、第五中学、第十四中学三校2019届高三4月联考数学(理)试题
名校
3 . 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
4 . 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)
您最近一年使用:0次
2020-03-20更新
|
565次组卷
|
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
5 . 在
中,已知
,若点
满足
,
(
),且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d384e419d31183fd10a3f845f5b466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7366dece62e5d429c30331ad31aaedbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c362787d039865a8e877efa6b5a8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71327eeca7c2afa2d7db6da051e19fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2020-01-30更新
|
766次组卷
|
4卷引用:江苏省无锡市2019-2020学年高一上学期期末数学试题
名校
解题方法
6 . 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)
您最近一年使用:0次
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
7 . 如图所示,
,圆
与
分别相切于点
,
,点
是圆
及其内部任意一点,且
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb15541fa53381c9130217ccac69f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f43c92c82c37c934dda47f2e683f5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2017-08-17更新
|
1395次组卷
|
8卷引用:黄金30题系列 高一年级数学江苏版 小题易丢分
(已下线)黄金30题系列 高一年级数学江苏版 小题易丢分广东省阳江市2016-2017学年高一下学期期末检测数学试题(已下线)二轮复习测试专项 【新课标版理科数学】专题三 三角函数与平面向量(已下线)二轮复习测试专项 【新课标版文科数学】专题三 三角函数与平面向量江苏省淮安市马坝高级中学2023-2024学年高一下学期第一次质量检测数学试卷(B卷)江苏省淮安市马坝高级中学2023-2024学年高一下学期第一次质量检测数学试卷(A卷)上海交通大学附属中学2022-2023学年高一下学期期末数学试题(已下线)8.3 向量的坐标表示-同步精品课堂(沪教版2020必修第二册)
名校
解题方法
8 . 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)
您最近一年使用:0次
2020-03-29更新
|
525次组卷
|
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
9 . 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
10 . 如图,在平面四边形
中,
是对角线
的中点,且
,
. 若
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f52c6822a9b0579edbd5f38bdabd59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d4838ced629892393b0c0698311ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303e43f4287527bb8a212eefc6c139c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becae77c9f3d4460438efd3a7fe09c4d.png)
![](https://img.xkw.com/dksih/QBM/2018/7/1/1979325107798016/1980312737775616/STEM/2101514f07944d25a441845df8fab58b.png?resizew=115)
您最近一年使用:0次