名校
解题方法
1 . 若向量
,
,满足
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219900a4325966330225c66942271030.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede13546f2d31024998fd9a81b6004eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7af485413186ab3208767bc6637fb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b0093428ca3d3e314b89e108ca7cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219900a4325966330225c66942271030.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,在边长为3的等边三角形
中,
交
于点
点满足
,过
点的直线交
于点
,交
于点
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed5ea3e7db5a6943f2915d32339709c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c6c45c4d19365b7928d81365585040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e447c27b2e2acf936fa64e3a13bef727.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/18/45aa1023-0595-4d51-9839-0f0b9e482450.png?resizew=141)
您最近一年使用:0次
3 . 如图,风景秀美的宝湖公园有一颗高大的银杏树,某研究小组为测量树的高度,在地面上选取了
两点,从
两点测得树尖的仰角分别为
和
,且
两点间的距离为
,则这颗银杏树的高度为_________________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270800ba975e87235e8802a631e5f3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c08094f72d5bd69246c453dd28e33d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022abc6afd4deff13845419fa38312e.png)
您最近一年使用:0次
2024-04-15更新
|
403次组卷
|
2卷引用:宁夏银川市唐徕中学2023-2024学年高一下学期4月月考数学试卷
名校
4 . 在
中,
的对边分别为
,已知
,若
有唯一解,则实数
的取值范围为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c32f6a45b60872d6f7d347c3edea824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa6361e919ac07ee6ed642556e1d1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
的内角A、B、C对的边分别为a,b,c,
,D为边AC上一点,满足
且
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7bce5b3862e12e5c7d206c35052471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7836f32fe50cc85e092fde49899703b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1ca356addf3fe6a51c33622a57405f.png)
您最近一年使用:0次
6 . 已知i是虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34a5627935dbaaa0c676610c4a1c934.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34a5627935dbaaa0c676610c4a1c934.png)
您最近一年使用:0次
名校
7 . 钟楼是银川二中校园的一大特色建筑,每逢新年,悠扬深远的钟声都会为大家祈福.小蓝为了测量钟楼的高度AB,采取了以下方法:在校园内D点处测得塔顶A点处的仰角为45°,后退36.8米后,在F点处测得塔顶A点处的仰角为30°,已知小蓝的眼睛距离地面高度为
米,则钟楼高度AB约为_________ 米.(结果保留小数点后一位,参考数据:
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0d738c072507593fb58bfe7a0049f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bb3f35e3db7c1f3a3dd3eb20151b5f.png)
您最近一年使用:0次
2024-03-31更新
|
134次组卷
|
3卷引用:宁夏银川市第二中学2023-2024学年高一下学期月考一数学试卷
宁夏银川市第二中学2023-2024学年高一下学期月考一数学试卷(已下线)高一数学下学期期中模拟卷(新题型)-同步题型分类归纳讲与练(人教A版2019必修第二册)四川省广元市川师大万达中学2023-2024学年高一下学期5月月考数学试题
8 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273b826ce1de356d5040ec7899944bb0.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273b826ce1de356d5040ec7899944bb0.png)
您最近一年使用:0次
名校
9 . 已知函数
满足
,
,且
在区间
单调,则
的取值个数为________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59d0eba844117978d3c936b4d3801ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e22f053ee8d4d2faa8b682620ba28da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a76d6d30317f2cfa05b66595bab90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6361a238a328fd64541c4a7282a4636e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
(
且
)的图象恒过定点A,若点A在一次函数
的图象上,其中实数m,n满足
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5761272c96271d10a4073b45595b8181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a68cd004b97f75d1b41f9b628ade290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c7ca5b68949f946340d5c9b457a202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d760204a261aae858ee3e353882899.png)
您最近一年使用:0次