如图所示,已知点C是线段AB的黄金分割点,AC>BC,且AB=2,则AC的长约为( )
![](https://img.xkw.com/dksih/QBM/2021/9/17/2809797287305216/2810252663332864/STEM/bea564e16d7c41bdbd67c2915dc85215.png?resizew=135)
![](https://img.xkw.com/dksih/QBM/2021/9/17/2809797287305216/2810252663332864/STEM/bea564e16d7c41bdbd67c2915dc85215.png?resizew=135)
A.1.543 | B.1.236 | C.1.123 | D.1.618 |
更新时间:2021-09-23 14:02:21
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【推荐1】在三条线段
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】两地实际距离为2000米,图上距离为2cm,则这张地图的比例尺为( )
A.1000:1 | B.100000:1 | C.1:1000 | D.1:100000 |
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