名校
解题方法
1 . 如图.在
中,
,
分别为
的中点,P为AD与BF的交点,且
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
________ ,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a11befb78a4346dba62561d3551584.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ba495e8f9fe02229a4248fdbfb4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec38bedb55b02c42c1fb552e6cbf7a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e16293158fbf4d72c6ac9207543035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62fa1ef1be00b4061f12ac38931cc443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd46778731e2b9582ea6dbe96dcaab04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a11befb78a4346dba62561d3551584.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/6032bb44-5fe6-456b-8490-4027d21cb0a4.png?resizew=121)
您最近一年使用:0次
名校
解题方法
2 . 在
中,
是边
的中点,
是线段
的中点.设
,试用
表示
为___________ ;若
的面积为
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a779e711b3900db89bd868360dcfaa.png)
___________ 时,
取得最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ba495e8f9fe02229a4248fdbfb4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8962b0c33df0302e741501c1491bf643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a9fdf25b705093b461e22eac06f2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a779e711b3900db89bd868360dcfaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6f0e94393fc6bbd9b4b83ede534ac.png)
您最近一年使用:0次
2023-05-28更新
|
1037次组卷
|
4卷引用:天津市咸水沽第一中学2023届高三押题卷(五)数学试题
天津市咸水沽第一中学2023届高三押题卷(五)数学试题(已下线)2023年天津高考数学真题变式题11-15天津市和平区第二十中学2024届高三上学期第三次统练数学试题(已下线)模型1 平面向量几何意义的应用模型(高中数学模型大归纳)
名校
解题方法
3 . 在四边形ABCD中,
,
,
,
,点E在线段CB的延长线上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db1a475eeeb3b3ce5ecf8796b0a1bb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1caf493da340bf364c56d37cab3ef30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45087cde2d66377517a3fce5553b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db1a475eeeb3b3ce5ecf8796b0a1bb.png)
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2023-01-06更新
|
619次组卷
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4卷引用:天津市咸水沽第一中学2021届高三下学期模拟检测(二)数学试题
天津市咸水沽第一中学2021届高三下学期模拟检测(二)数学试题天津市第二十五中学2022-2023学年高三上学期期末数学试题(已下线)2.5.2向量数量积的坐标表示(已下线)第六章平面向量及其应用(知识通关)(2)
名校
4 . 已知△ABC中,AB=
AC=
,A=
,点D,E分别在边AB,BC上,且AD=DB,BE=2EC,若
,则x+y=________ ;DE=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba42db3ee42cf249f485bf8006709516.png)
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2021-07-25更新
|
212次组卷
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3卷引用:天津市咸水沽第一中学2022-2023学年高三上学期线上期末数学试题
5 . 已知
为等边三角形,
,设点
满足
,其中
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cb7825f9fe46daa545b3de22031d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed91d1348f89efa21c11c05de5c5bf85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2021-05-06更新
|
835次组卷
|
4卷引用:天津市咸水沽第一中学2020-2021学年高三上学期第二次月考数学试题
2020·天津·一模
名校
6 . 在四边形
中,
,
,
,
,
为
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd94d9dc7cdc2ce797ba8c171d3387f.png)
_____ ;设点
为线段
上的动点,则
最小值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.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/26b8dfda717877f5c1d44f3e3d860b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd94d9dc7cdc2ce797ba8c171d3387f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6983a471f24a61ef9ba49b814bf994c.png)
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2020-05-09更新
|
1729次组卷
|
17卷引用:天津市咸水沽第一中学2021届高三下学期高考模拟(一)数学试题
天津市咸水沽第一中学2021届高三下学期高考模拟(一)数学试题(已下线)2020届天津市河西区高三高考一模数学试题天津市宝坻区大口屯高级中学2021届高考模拟数学试题天津市第一中学2021-2022学年高三上学期第一次月考数学试题天津市第三中学2021-2022学年高三上学期12月阶段性测试数学试题天津市第二中学2021-2022学年高三上学期统练(二)数学试题天津市新华中学2022-2023学年高三上学期12月第二次月考数学试题天津市第一百中学2022-2023学年高三上学期期末线上测试数学试题天津市海河中学2022-2023学年高三上学期期末数学试题天津市微山路中学2022-2023学年高三上学期期末数学试题天津市武清区黄花店中学2022-2023学年高三下学期开学测试数学试题天津市新华中学2023届高三下学期统练2数学试题天津市河西区天津市第四中学2024届高考模拟预测数学试题天津市西青区杨柳青第一中学2021-2022学年高二实验班下学期期末适应性测试数学试题天津市西青区杨柳青第一中学2022-2023学年高二下学期第三次适应性测试数学试题天津市河西区2023-2024学年高一下学期期中考试数学试题天津市静海区第一中学2023-2024学年高一下学期6月学业能力调研数学试题