下列各数:
,0,
,
,
,0.05050050005……(每两个相邻5之间依次多一个0),其中无理数的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
A.5 | B.4 | C.3 | D.2 |
更新时间:2023-01-15 22:27:45
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单选题
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较易
(0.85)
【推荐2】实数中﹣2,0,4,
,﹣π,无理数的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6967c507db3ce5603c76c15918144b.png)
A.2个 | B.3个 | C.4个 | D.5个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】在
,
,
,
,
,0.1010010001… 这6个数中,无理数共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbec53dd45615a14c976bb2f63b3be0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc9730809c7086f3f62e57fb779ef85.png)
A.2个 | B.3个 | C.4个 | D.5个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】下列命题中,为真命题的是( )
A.分式有意义的条件是分子为零 |
B.两边对应相等且有一角对应相等的两个三角形全等 |
C.带根号的数是无理数 |
D.若![]() ![]() |
您最近一年使用:0次