1 . 公元前
世纪,古希腊毕达哥拉斯学派在研究正五边形和正十边形的作图时,发现了黄金分割数
,其近似值为
,这是一个伟大的发现,这一数值也表示为
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664a837eed36c57a7af7ce08bf47a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32224f45e90ed9f702adad1200316e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce3aecc693bc2e03cddb2226bb65e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5211ec83320c7578d4c102eef4ff714f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-05-12更新
|
461次组卷
|
4卷引用:山西省太原市2021届高三一模数学(理)试题
2 . 在同一平面直角坐标系中,画出三个函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cac597a160bb3fbfa9b8381861b827e.png)
,
的部分图象如图所示,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/b1afb76a-02c5-4fa2-8c4d-bd6c2e10361d.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cac597a160bb3fbfa9b8381861b827e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3193abd267a748c377b6365efa83d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5260054f6d9755de0bb6871981db89d5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/b1afb76a-02c5-4fa2-8c4d-bd6c2e10361d.png?resizew=169)
A.![]() ![]() ![]() ![]() ![]() ![]() | B.![]() ![]() ![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() ![]() ![]() | D.![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次