名校
1 . 如图,平行四边形ABCD中,M是BC中点,N是CD上靠近点D的三等分点,若
(
,
),则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88ece9a819382371e42d67098e2f4cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cefeddff52b02a43831beeb4bb6faa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-03更新
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375次组卷
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2卷引用:广东省深圳市名校联考2023-2024学年高一下学期4月期中考试数学试题
名校
2 . 如图,在
中,
是
的中点,
.
,
,求
;
(2)若
,求
的值.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662c1357657b89d42e43ad295985389f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc39e2113669164b4894c2ef739f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d81d732204a3c2384a27606f858677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcedc17f292990a25ffe350f8d7be432.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ba7e0374dabeb58e459f47c5baf952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2024-04-02更新
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2卷引用:福建省莆田第二十五中学2023-2024学年高一下学期第一次质量检测数学试题
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解题方法
3 . 在
中,
,
,边AB,BC上的点M,N满足
,
,P为AC中点.
(1)设
,求实数
,
的值;
(2)若
,求边AC的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fdd8e57562ba94e10e7f1d770826d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88496e57aafc0e6efdf0890da3ce085e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bded420871e5b9a06dd7d3fe922e5f94.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e1b90672782afbf12d58fdcaffdec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22318250dc4985774c13739831044a82.png)
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2024-03-29更新
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4卷引用:模块五 专题2 全真基础模拟2(人教B版期中研习)
(已下线)模块五 专题2 全真基础模拟2(人教B版期中研习)(已下线)模块五 专题2 全真基础模拟2(苏教版期中研习高一)河北省张家口市张北成龙高级中学2023-2024学年高一下学期3月阶段测试数学试题河北省张家口市尚义县第一中学等校2023-2024学年高一下学期3月阶段测试数学试题
名校
解题方法
4 . 如图,在
中,
,点
在线段
上(异于
两点),延长
到
,使得
,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d94c024b5dc207155f7d037ae76fcf8.png)
,求
的值;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425ea0440a1e85d789ce1bbccd377bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d412d12c1a63e71d8389162d1ad06b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d94c024b5dc207155f7d037ae76fcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc987713db44343b2b8fa38e2f5c2ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
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名校
解题方法
5 . 如图,在直角梯形
中,
为
上靠近
的三等分点,
交
于
为线段
上的一个动点.
和
表示
;
(2)求
;
(3)设
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc68e574082369db9bfad163444d24af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4a8d8efb7dbbd82d97d36b655358ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce861fe0e556c13a71033a7c72722c4.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9ec6311230da3236a4aff333c9d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1884dd7bea1b00c41563bc4abcd9d422.png)
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2024-03-24更新
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966次组卷
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3卷引用:海南省海口市琼山华侨中学2023-2024学年高一下学期期中考试数学试卷
海南省海口市琼山华侨中学2023-2024学年高一下学期期中考试数学试卷云南省昆明市第一中学西山学校2023-2024学年高一下学期3月月考数学试卷(已下线)期中考试押题卷-【帮课堂】(苏教版2019必修第二册)
解题方法
6 . 已知
是边长为2的正三角形,
,
分别为边
,
的中点,则若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2723320d45882202f81058c5ffd9b1cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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|
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2卷引用:江西省上饶市蓝天教育集团2023-2024学年高一下学期期中考试数学试题
名校
解题方法
7 . 如图:在
中,已知
与
交于点
.
表示向量
;
(2)过点
作直线
,分别交线段
于点
,设
,若
,
,当
取得最小值时,求模长
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000bc9f0352ba05c97e221cead7c34da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4d994cd5b51f0f50671d29999ed038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538c1a9e933bc1e29d785eeda9cd1abc.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaa82a6500e3a95a24168f7df243790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1517126c0fea2de010963c01d1487a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604c949ecf3a9d4be681894a5416f3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f616980e711ec78d7323b5aafcb39f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32043a653eba02c79ae6395b3bcb34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c41a83255a091e4cdf5c1150224842.png)
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2024-03-21更新
|
1222次组卷
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6卷引用:模块五 专题5 全真拔高模拟1(高一人教B版期中)
(已下线)模块五 专题5 全真拔高模拟1(高一人教B版期中)(已下线)模块五 专题5 全真拔高模拟1(苏教版期中研习高一)黑龙江省大庆市实验中学实验二部2023-2024学年高一下学期期中考试数学试卷重庆市巴蜀中学校2023-2024学年高一下学期3月月考数学试题山东省临沂市莒南第一中学2023-2024学年高一下学期3月月考数学试题安徽省合肥一六八中学2024届高三下学期检测(一)数学试题
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8 . 如图扇形
所在圆的圆心角大小为
是扇形内部(包括边界)任意一点,若
,那么
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf9325f58960aa5ac07158f0ce41573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e06ca53803f042a5eca99f56a70f05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75f7d5945c9bdbf6c2eb7d524ddfe0a.png)
A.2 | B.![]() | C.4 | D.![]() |
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2024-03-19更新
|
788次组卷
|
2卷引用:福建省泉州市第七中学2023-2024学年高一下学期期中考试数学试题
名校
9 . 在
中,点
分别在边
和边
上,且
,
,
交
于点
,设
.
,求实数
;
(2)试用
表示
;
(3)点
在边
上,且满足
三点共线,试确定点
的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59802bde1dc59ba9000157b08463b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fbc3a1f1e848cf1349b9327be8607d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01aea49f667df1a5a7f80ea98a91cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5d9e54e2909dff93a6b5b2dea99215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb371bd7728c6d6a16533a93924ad998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471ac0f42d01c6d6e094b63628586e4d.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ef4277dfbfb3528fc1babcf523ef80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
您最近一年使用:0次
解题方法
10 . 在
中,
,
分别为边
,
的中点,若
,则
( )
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bca4cedb49fdb7e661cec247856ac22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.2 | B.1 | C.![]() | D.![]() |
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