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解题方法
1 . 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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2 . 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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名校
解题方法
3 . 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
4 . 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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解题方法
5 . 函数
的单调递减区间是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac636db89358fe9628aa373d2f07d79.png)
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6 . 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)
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7 . 菱形
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3391de7a9edf0b5f4d0104ee35b17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0449e512918f4b49b373dcda73f4d952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
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解题方法
8 . 已知四面体有两个面是边长为2的正三角形,另外两个面是直角三角形,则该四面体的体积等于__________ .
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9 . 若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adeaf76b2e4d02f75701042524773d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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名校
解题方法
10 . 已知点
,点
为原点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d54bcff5ffecbd3e4dea284d273638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8840adf41cb679f98b8bcb81ef4afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8731c539ba9ecf87f2fd501b77fbef.png)
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356次组卷
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5卷引用:江苏省连云港市海州高级中学2023-2024学年高一下学期期中学情调查考试数学试题