计算: ①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caab9b41f4db12531cc59d5702b78098.png)
__ ;②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8db1a3ffe1ec1aacae711ce257267c.png)
__ ;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533d2a423f3755449967e3ca31e757e.png)
________ ;④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb52a9d6e4f28a8d8ad73983c8a6bdac.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caab9b41f4db12531cc59d5702b78098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8db1a3ffe1ec1aacae711ce257267c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533d2a423f3755449967e3ca31e757e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb52a9d6e4f28a8d8ad73983c8a6bdac.png)
更新时间:2024-04-03 11:31:26
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【推荐2】-
的绝对值是________ ,
的算术平方根是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8d1ca7682da10dc7f36e858593d51f.png)
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【推荐1】在实数:
,
,
,
,
,
中,无理数有_______________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175dba2a2a7bd29c2dd4fcce37a0912d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9844c14ff7b2ec28db4ade1a7ffc8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d69f0dc2f2717bd19bf328ab961cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b4088b0bb1c211852fd1ecf3d667dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d45688d14823b33365c0b8360bc71b.png)
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