1 . 下列实数中,无理数是( )
A.0 | B.![]() | C.![]() | D.![]() |
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2024-03-22更新
|
77次组卷
|
2卷引用:山东省嘉祥县2023-2024学年九年级下学期3月份月考数学试题
2 . 下列各数中,是无理数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 下列说法:①有理数和数轴上的点一一对应;②0的算术平方根是0;③不带根号的数一定是有理数;④近似数
精确到万位;⑤无理数是无限小数.其中正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26f96008f7d8176e13323b54fc7fa81.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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4 . 下列数∶,2.7,
,
,0.66666…,0,
,0.080080008…,其中无理数的个数是( )
A.0个 | B.1个 | C.2个 | D.3个 |
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5 . 在
(每隔一个8多一个0)这8个数中,无理数共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4179e95ae92a6de50059ebae75aac503.png)
A.4个 | B.3个 | C.2个 | D.1个 |
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6 . 下列各数是无理数的是( )
A.0.2 | B.3 | C.![]() | D.![]() |
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7 . 在实数
,0,
,
,
中无理数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
A.0个 | B.1个 | C.2个 | D.3个 |
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2024-03-17更新
|
133次组卷
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2卷引用:湖北省黄石市鹏中教联体2023-2024学年九年级下学期月考数学试题
8 . 已知数据:
,
,
,π,
,其中无理数出现的频数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
A.1 | B.2 | C.3 | D.4 |
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9 . 下列各数:
,0,
,
,
,
(相邻两个2之间1的个数逐次加1),其中无理数有________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b2cd9be79d300f762bad38ffc83606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63235e785b883e00e134a5bc3dee47f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253e837a1c7b4d5c0f382d67f406395d.png)
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10 . 在下列各数中是无理数的有( )
,
,
,
,
(相邻两个
之间有
个
),
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c055a02fba0827ffcaa92f73ce7720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8b2ddd6646a556f0a0e0ab5b15c9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac89bb7cd417f1b6ee46e8feb61ead56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a191d355e75f1afbeee24c98e8d5579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55df059a3e31d7decf2e2a657541d43b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次