2023高三·全国·专题练习
名校
1 . 函数
,当
取不同的正数时,在区间
上它们的图像是一组美丽的曲线(如图),设点
,
,连接
,线段
恰好被其中的两个幂函数
,
的图像三等分,即有
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbc4da80827d0510931284f9de4ffa8.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4250ec1d917f79063aec24a24cad892b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cba284d675a3028d7a8d54f1f8ae70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3f86cd7afe812f3d8e131bee1e315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce04612f2dc7928760c86f67a883df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e667b7c87fd5070e751912104cbcfcc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbc4da80827d0510931284f9de4ffa8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/e9b618c6-6ba9-495b-ae74-51ff79be8f86.png?resizew=178)
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2 . 魏晋南北朝(公元
)时期,中国数学在测量学取得了长足进展.刘徽提出重差术,应用中国传统的出入相补原理,通过多次观测,测量山高水深等数值,进而使中国的测量学达到登峰造极的地步,超越西方约一千年,关于重差术的注文在唐代成书,因其第一题为测量海岛的高度和距离(图1),故题为《海岛算经》受此题启发,小清同学依照此法测量奥林匹克公园奥林匹克塔的高度和距离(示意图如图2所示),录得以下是数据(单位:米):前表却行
,表高
,后表却行
,表间
.则塔高![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
__________ 米,前表去塔远近![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
__________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d1a7d726d9a79ef33387697228498e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e691e76614be733eee2f2845b298847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58297701552d67ced4d4179d03f58da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d732757a82e5c849b0b8ac117c9d5956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c21afda8f9533961945151016ee00c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/8fe7a1ca-45f9-4c88-8fba-3f44bd7dcd6f.png?resizew=318)
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