1 . 在区间
上随机取一个数
,则
的值介于
到1的概率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4814cc69393408433ac56a06c8e86855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66db91bb3be9e2b6ad567774e3699758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
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2 .
,则
的值等于_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b844d33a2037bcd648f822ec526ecca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
您最近一年使用:0次
2021-11-30更新
|
583次组卷
|
2卷引用:宁夏青铜峡市高级中学2022届高三上学期期中考试数学(文)试题
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解题方法
3 . 已知
是奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d033480f517a785a6b741755fba9134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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4 . 在
中,角A,B,C的对边分别为a,b,c,若
,
,
,则
的面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2021-11-22更新
|
503次组卷
|
10卷引用:宁夏吴忠中学2021-2022学年高二下学期期中考试数学(理)试题
宁夏吴忠中学2021-2022学年高二下学期期中考试数学(理)试题北京市丰台区2016-2017级高一下学期期中考试数学试题上海市格致中学2021-2022学年高二上学期期中数学试题河北省武强中学2021-2022学年高一下学期期中数学试题2019年甘肃省临夏市临夏中学高三上学期第一次摸底考试数学(文)试题内蒙古赤峰市2021届高三模拟考试数学(文)试题(已下线)【新东方】高中数学20210527-014【2021】【高二下】江西省南昌市湾里一中等六校2020-2021学年高一下学期期末联考数学试题福建省福州鼓山中学2021-2022学年高一下学期期末考试数学试题新疆维吾尔自治区昌吉回族自治州呼图壁县第一中学2023-2024学年高二上学期期初模块测试数学试题
名校
5 . 已知空间向量
满足
,且
的夹角为
,
为空间直角坐标系的原点,点
,
满足
,
,则
的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5f5bbd930bfb957eff31038b2380f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86a2acbcbe0cb76702eb25534f17515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f766e123287e7d37255d96cc20cf4cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2021-11-11更新
|
296次组卷
|
2卷引用:宁夏六盘山高级中学2023-2024学年高二上学期期中考试数学试题
名校
解题方法
6 . 在
中,内角
,
,
的对边分别为
,
,
,若
,
,
成等差数列,
,且
,则
的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e3b67bbfe99101796d2f16fbe01a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2021-10-21更新
|
1003次组卷
|
6卷引用:宁夏银川三沙源上游学校2021-2022学年高二上学期期中考试数学(文)试题
名校
解题方法
7 . 函数
的部分图象如图所示,若将
图象上的所有点向右平移
个单位长度得到函数
图象,则关于函数
有下列四个说法:
①最小正周期为
;
②图象的一条对称轴为直线
;
③图象的一个对称中心坐标为
;
④在区间
上单调递增.
其中正确的是_______ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa97014d3fd47bc9eb1870b6595a1a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
①最小正周期为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②图象的一条对称轴为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
③图象的一个对称中心坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b838939bdb8a9406072b153d60b8613.png)
④在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883c983221b8ea66adfbd994ef72c8f0.png)
其中正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/6b0571bc-df50-4d79-be5d-3b533128394c.png?resizew=192)
您最近一年使用:0次
2021-09-25更新
|
1299次组卷
|
7卷引用:宁夏石嘴山市平罗中学2022届高三上学期期中考试数学(文)试题
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解题方法
8 . 已知
为钝角,
为锐角满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d6ab606fb600ac1ce35f38de14a1a6.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042c0d2aeb08b3a907442ef0accf3c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d6ab606fb600ac1ce35f38de14a1a6.png)
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2021-09-24更新
|
650次组卷
|
4卷引用:宁夏吴忠市吴忠中学2021-2022学年高一下学期期中考试数学试题
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9 . 甲船在湖中
岛的正南
处,
,甲船以
的速度向正北方向航行,同时乙船从
岛出发,以
的速度向北偏东60°方向驶去,则行驶半小时,两船的距离是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f34e04e05c47e65098836e8efd9d8d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6790c4f229af3ade8c444bbabb1642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6790c4f229af3ade8c444bbabb1642.png)
您最近一年使用:0次
2021-09-11更新
|
187次组卷
|
3卷引用:宁夏银川市景博中学2022届高三上学期期中考试数学(文)试题
10 .
的部分图象如图,则其解析式为__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371789a9a042bced99eb7437ad683883.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/18/6c8b4cee-10f0-4881-9268-32b3e7de4424.png?resizew=183)
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2021-09-02更新
|
292次组卷
|
3卷引用:宁夏银川市贺兰县景博中学2020-2021学年高二下学期期中考试数学(文)试题