题型:单选题
难度:0.85
引用次数:741
题号:12170076
小明学了在数轴上表示无理数的方法后,进行了练习:首先画数轴,原点为O,在数轴上找到表示数2的点A,然后过点A作AB⊥OA,使AB=1;再以O为圆心,OB的长为半径作弧,交数轴正半轴于点P,那么点P表示的数是( )
![](https://img.xkw.com/dksih/QBM/2021/1/18/2638925262913536/2640914098233344/STEM/37e09404-a264-42e7-b4a0-63caa3c7e6c9.png?resizew=388)
![](https://img.xkw.com/dksih/QBM/2021/1/18/2638925262913536/2640914098233344/STEM/37e09404-a264-42e7-b4a0-63caa3c7e6c9.png?resizew=388)
A.2.2 | B.![]() | C.![]() | D.![]() |
更新时间:2021-01-21 14:56:23
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