写一个比4小的无理数_____ .
更新时间:2019-01-21 21:03:55
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【推荐1】在实数π,
,
,
,
,0.2121121112…(每两个2之间依次多一个1),无理数共有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349ec9acf5d370c87fc7fd5c16f057b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa89e61cb668687bda59caf6ce89e67.png)
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【推荐2】在实数
,0.560,
,
,
中,无理数有__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459c84c9addfbd1cdd0a877ba7c584e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
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【推荐1】比较大小:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
_________
(填“>”,“=”,“<”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
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【推荐2】比较大小:
___________
.(填“
”、“
”或“
”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66736cb0af5b965e70beab65fce24bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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