1 . 已知
的展开式中
的系数为4,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,
的展开式中的常数项为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6e1354e53e7b2ca7c857cce063188e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6e1354e53e7b2ca7c857cce063188e.png)
您最近一年使用:0次
2020·全国·模拟预测
2 . 已知双曲线
的左、右焦点分别为
,
,离心率为
,点
是双曲线上一点,则双曲线的焦距为______ ;连接
,过点
作
交双曲线于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad2725b33cfc3b859a7f1133874866c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f821229967fc2ea337963e97e4fa74f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13689132891be22edb95e5715f337f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea078ea8de9f3de12461bc500d206cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad2725b33cfc3b859a7f1133874866c.png)
您最近一年使用:0次
2020·全国·模拟预测
3 . 已知双曲线
的左、右焦点分别为
,
,离心率为
,则该双曲线的标准方程为______ ;若
为坐标原点,点
为双曲线上一点,且
在第一象限,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8074822f47553df118dd3c1897d0843e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b19127a21b5291d496c4552d6488f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
4 . 有9张卡片分别标有数字1,2,3,4,5,6,7,8,9,从中任取3张,设
表示抽出的3张卡片标有的数字是偶数的个数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c902420f904e202b9f1da1ef3233186.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d419c30ff40e9b368a3f151f639dac8f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c902420f904e202b9f1da1ef3233186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d419c30ff40e9b368a3f151f639dac8f.png)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3965a280dd2ff5657f02e846f336d2e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
6 . 已知函数
,则
的最小正周期为______ ,在区间
上的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed9044a6ac240c3c72b37cc34b0222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
7 . 已知某空间几何体的三视图如图所示,则该几何体的表面积为______ ,体积为______ .
![](https://img.xkw.com/dksih/QBM/2021/1/12/2634690065858560/2635308792692736/STEM/48fe2f83-be0d-4461-b477-83df7502d17d.png?resizew=240)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
8 . 已知复数
满足
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
______ ,复数
的共轭复数
在复平面内随对应的点位于第______ 象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b303d4c49b2d45ea3279768e5b6e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
您最近一年使用:0次
2020·全国·模拟预测
9 . 已知双曲线
的离心率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ;若过双曲线
的右焦点
的直线与
的两条渐近线分别交于
,
两点,且以
为直径的圆过点
,则直线
的倾斜角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d2c939277a31fe176bb0e2a267a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020·全国·模拟预测
解题方法
10 . 在
中,内角
,
,
的对边分别为
,
,
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
______ ,
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/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3b97fad27c295810261294387bea26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de6b0798451e122ea39647ea329ff87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次