1 . 下列各数
、
、
、
、
、
、
中,无理数的个数有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8b2ddd6646a556f0a0e0ab5b15c9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f48e88cde83291234c0f1ee792e5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1985174e05ad371e13cf24d244423da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd3d41557cbfea1ab0d16c16a9136f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa792c87a2ea4947e0a29b30a648cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4383f39baab74d1ec92b5026a3a98ef.png)
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2 . 在这五个数中
,
无理数共有_________________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b02a797e84062860149274beaf0e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94eecd59161d1a8dadbbef5184a628d3.png)
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3 . 从0,
,π,
,
中随机任取一数,取到无理数的概率是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a36d3e3a1d196b5e03e6a150edba177.png)
您最近一年使用:0次
4 . 下列各数:
,
,
,
中,无理数有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30d314a642667fef559032264647366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071ff10740d0ef09e9b6ab0bf8a92283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdf50eab98478087787fad640c524e6.png)
您最近一年使用:0次
5 . 在
,
,
,…
(被开方数均为正整数)中,共有______ 个无理数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a296a24acd3033698f0b1a1ad23043ec.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/1d6604a5595dfe260992023adf927134.png)
您最近一年使用:0次
6 . 下列各数:
,
,0.101中无理数有 ___________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42ca3b3cafcd11a2da14befa05a933e.png)
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7 . 写出一个大于5的无理数_______ .
您最近一年使用:0次
8 . 下列各数:
,其中无理数的个数有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44e2bafda9bbbda25cb4033dd5afe0c.png)
您最近一年使用:0次
名校
9 . 在
,
,
,0,
,
,
中,无理数的有________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d357ea085a587a9f975e30e710e4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfea5bac7aab9b4caeb99c1af016324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2fe80d37e21a23cbb3d9ee649e25b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5684cffbcd9afa342804c6136710bbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa387daa673be6605776274ff4cdae6.png)
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名校
10 . 在5,
,
,
,
中,无理数有_______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0052fce098b4c7c12a0fefe651b30a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7bff9e7fa455d69e06a21b4a9723c5.png)
您最近一年使用:0次