名校
1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbce4d3c2976bc6e89911985a09da99.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbce4d3c2976bc6e89911985a09da99.png)
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2 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee51c289668f61761090f3a9ff8f6a4.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee51c289668f61761090f3a9ff8f6a4.png)
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名校
3 . 已知复数
,且复数
满足
,则
在复平面内对应的点位于第__________ 象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad316d30f407b32b74564c6177723c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a10de1216740ff1542ddb2968de5832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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4 . 若
为锐角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207b77aa3cf9351cf7ee25827f0688fd.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9da049c686ff81df5d6645ef51e993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207b77aa3cf9351cf7ee25827f0688fd.png)
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5 . 若角
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a448771c3381e220a954b749a1425.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a448771c3381e220a954b749a1425.png)
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解题方法
6 . 已知向量
,设
,向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fcd62b075b985b1f045c47a3851415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5844be57c2e0e9555bac62f7d63bf4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ba50bd1f158c4d531b0e442fab3e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
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7 . 已知一组数据
,
,
,
,
的方差是
,那么另一组数
,
,
,
,
的方差是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9b42973c53907f09f2de384c42fc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4e76823155f3289e9d09774853f925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07010a3836448070e89edf3a4e31c3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa2daffd2c7a2b8dffb2ff4e349eb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d469b85cc7e68fb89ed59a8d01a9d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97e571dbffd95361427974419aff6b3.png)
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8 . 函数
的单调递减区间是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac636db89358fe9628aa373d2f07d79.png)
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9 . 若椭圆
的长轴长、焦距、短轴长成等差数列,则该椭圆的离心率是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
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10 . 已知
为坐标原点,
,
,
,则
点坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61da2f6f8cb142fe05ac23810c46fa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c4c41002de4a2eb6111c518456a812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01d9c9efdbe6b5c76bd88b03daf820a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次