1 . 如图,在平行四边形
中,点
是
边上的中点,点
是
边上靠近
的三等分点.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4083158087b388cdebe2ae795237da0f.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4517841b0b403c370067e8b5f4a96ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32af9914d4ffc495156de334441d712a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4083158087b388cdebe2ae795237da0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/4cadc38a-4901-40bf-991c-e67d20a3c47b.png?resizew=149)
您最近一年使用:0次
名校
2 . 在等腰梯形中,
,
,
,
,若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a5abc3820d660430ce40ed3f5db7b.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e9e26d127b0208e61a0ffcd0f8f37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf435f85883d2db2430a5b7bf41dab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5e91e7698e159cfe9d00a62912d9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe9e5f5abdacef3059b9e56c6dcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597fc0ad02fe71297a26c7bc6ee1b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb4e527830cc7c15240220cbe4273e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b1017d310b9d80a1ff91b19ed0995c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a5abc3820d660430ce40ed3f5db7b.png)
您最近一年使用:0次
2018-03-31更新
|
950次组卷
|
6卷引用:【区级联考】江苏省常州市武进区2019届高三上学期期中考试数学(理)试题
3 . 在
中,
,
,D是
内切圆圆心,设P是
外的三角形
区域内的动点,若
,则点
所在区域的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f149e83812e72efd7dd3dfc78d0134ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209acf15985d1ea1ad86fc4a37e38c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bf34d31aa1d729619ae3e53eb44d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce5c3882c2897fe7aee2b03038c58da.png)
您最近一年使用:0次
名校
4 . 在
中,点
满足
,当点
在射线
(不含点
)上移动时,若
,则
的 取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04c42827e31e675125b05b72f3bc7e1.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d97483494e3502ce77a1177ff831822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f51c1a36104b65fcaa5390f4485e1a.png)
您最近一年使用:0次
2018-01-12更新
|
1190次组卷
|
4卷引用:江苏省泰州中学2017-2018学年高一12月月考数学试题
江苏省泰州中学2017-2018学年高一12月月考数学试题(已下线)重难点专题04 妙用等和线解决平面向量系数和、差、商问题-【帮课堂】(苏教版2019必修第二册)【全国百强校】浙江省绍兴市第一中学2019届高三上学期期末考试数学试题(已下线)第02讲 平面向量的基本定理及坐标表示(讲)-《2020年高考一轮复习讲练测》(浙江版)
解题方法
5 . 如图,△
中,延长
到
,使
,当
点在线段
上移动时,若
,则
的最大值是_______ .
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572076467544064/1572076473212928/STEM/adcc7f484ba44467b3582142953916eb.png?resizew=35)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78002bca853929365a3f58082f3e7637.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/bfa34c248278e824a8dacb824fe496cc.png)
![](https://img.xkw.com/dksih/QBM/2015/4/20/1572076467544064/1572076473212928/STEM/baaf1c6689e849989c59b7244245bb5d.png?resizew=63)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/26/c54fbce7-47d2-4acc-a4a7-d0b46b03c7c4.png?resizew=192)
您最近一年使用:0次
2016-12-03更新
|
1025次组卷
|
5卷引用:2015届江苏省常州市武进区高三上学期期中考试理科数学试卷
2015届江苏省常州市武进区高三上学期期中考试理科数学试卷人教A版(2019) 必修第二册 突围者 第六章 第二节 课时2向量的数乘运算(已下线)6.2.3 向量的数乘运算(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)辽宁省营口市2022-2023学年高一上学期期末教学质量监测数学试题辽宁省营口市2022-2023学年高一下学期开学考试数学试题
名校
解题方法
6 . 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)
您最近一年使用:0次
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
7 . 在
中,D为AC的中点,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f9e916916072ffbce4cedfaefe7139.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/410e387473b61bc0b675e69a12e93730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82b0780c5f4218f802e34feb449da2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55e9182ba136d214805274ccee6ada9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5f5195d51fefc889b828cb977f5b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f9e916916072ffbce4cedfaefe7139.png)
您最近一年使用:0次
解题方法
8 . 如图,在
中,已知
,
,
,当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e121373d11bc596f09bfa1d4035ad0.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9673cb91a7efbc4abaa7124ab986bf1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b80f8a117ff6305980f844c47fabaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f20c57c5e3dd937bb9b9bde1d782083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e121373d11bc596f09bfa1d4035ad0.png)
![](https://img.xkw.com/dksih/QBM/2020/2/13/2398366560133120/2398853721874432/STEM/f57d182d-1ff8-4d38-bd2c-01cfa8781891.png)
您最近一年使用:0次
9 . 在平行四边形
中,
,
,
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e2a96ad10f818c9a5ad7ef46a304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2436591a889729b1a3bdcca1991a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b57346a9d103a66b7f3380a56cf1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb65217a31740533698001b01a71d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351793adf1a08ae21613254dac51cd7a.png)
您最近一年使用:0次
名校
10 . 正方形ABCD的边长为1,O为正方形ABCD的中心,过中心O的直线与边AB交于点M,与边CD交于点N,P为平面上一点,满足
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de40363b7dfc31353b5ecfd6ce174d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f4ea7498731e5af223a75a5ab7f32c.png)
您最近一年使用:0次