1 . 把下列各数填入相应的数集内.
,
(每两个1之间比上一个多一个5),0,
,
,
,
,
,
.
正数集合:{ …}
无理数集合:{ …}
分数集合:{ …}
非负整数集合:{ …}
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d57b3253c358630ff1ed47a6d1338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1485c2b844dfb0ae602ffaa77362d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad22dcc2541de918092377391bb40432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c50655e639162136a38c879e596fe69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ed00dcfd07ec07ef9086433cbb3b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d149d6494edb039646fb153d6cb00bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eeb59d43af64d12e6950be7f27e0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c122d0dbde9f4edb37ced740f1ee12e.png)
正数集合:{ …}
无理数集合:{ …}
分数集合:{ …}
非负整数集合:{ …}
您最近一年使用:0次
2 . 已知实数x、y满足关系式
.
(1)求x、y的值;
(2)判断
是有理数还是无理数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aec696490358292448b3debd8fa350d.png)
(1)求x、y的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee64373f416fe12e8f03b367e43eba7a.png)
您最近一年使用:0次
3 . 把下列各数填在相应的横线上:
①0,②
,③
,④
,⑤
,⑥π,⑦
.
整数: ;分数: ;无理数: (只需填写序号).
①0,②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f265fcfaec161cf44e475966dfe915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f3fae1304b36c0aa24d98d4ae0508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a36d3e3a1d196b5e03e6a150edba177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
整数: ;分数: ;无理数: (只需填写序号).
您最近一年使用:0次
4 . (1)如图①,由五个边长为
的小正方形组成的图形纸,我们可以把它剪开,拼成一个正方形
这个正方形的面积为______,边长为______.
(2)如图②,你能把由十个边长为
的正方形组成的图形纸剪开,并拼成正方形吗?请仿照上题用虚线在图②中画出拼成的正方形,并求得它的边长为______.
(3)请仿照上题,在图③中画出边长为
的正方形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e1d0f65817ba32a732040518f41440.png)
(2)如图②,你能把由十个边长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(3)请仿照上题,在图③中画出边长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6ad68f10f098feda5d9b94636bf752.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/c49be4d1-8296-416b-8ccf-cc43ea5c3b29.png?resizew=389)
您最近一年使用:0次
5 . 将下列各数对应的序号填在相应的集合里.
①
,②0,③
,④
,⑤
,⑥
,⑦![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
正数集合:{ …}
整数集合:{ …}
负分数集合:{ …}
无理数集合:{ …}.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b53ed08388367420160aaa905ed723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0283aa4fb29d213712845d979f02f8f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be88d73d8243e83f265a254597cac022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcd0a2d927e98170c8f90d764fff15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e594212cf2a24501a758adfcae885.png)
正数集合:{ …}
整数集合:{ …}
负分数集合:{ …}
无理数集合:{ …}.
您最近一年使用:0次
6 . 把下列各数的序号分别填入相应的括号里.
①
,②
,③0,④
,⑤
,⑥2013,⑦
,⑧
,⑨
,⑩
.
(1)分数集合:{ …};
(2)负数集合:{ …};
(3)非负整数集合:{ …};
(4)无理数集合:{ …}.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533c549ee428987f60dd91b13e318710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa6b23839bc1576f0056b108e1f11f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a037e828a9470eac34670f8a357e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a34dc99d5aa52d443ea04ec70875469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4079e8254435fe7968bc3710dfd52be.png)
(1)分数集合:{ …};
(2)负数集合:{ …};
(3)非负整数集合:{ …};
(4)无理数集合:{ …}.
您最近一年使用:0次
7 . 把下列各数填在相应的大括号内: 2,0,
,
,
,
,
(每两个3之间依次多一个0),
(1)负数集合:{______________…};
(2)自然数集合:{______________…};
(3)分数集合:{______________…};
(4)无理数集合:{______________…}.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5574c1099414efae61a6096c167e8bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a3ffa11711fda290b1d793ade3be53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff6779031c490735eb5019026043c13.png)
(1)负数集合:{______________…};
(2)自然数集合:{______________…};
(3)分数集合:{______________…};
(4)无理数集合:{______________…}.
您最近一年使用:0次
8 . 把下列各数填入表示它所在的数集的大括号:
,3,
,
,
,
,0,
,
,
.
(1)有理数集合:{ …};
(2)无理数集合:{ …};
(3)分数集合:{ …};
(4)整数集合:{ …}.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c4691908b1ea7a89763e9e116c14ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128f5b3bd63bc1508211d032cafa5526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0d5744955c18e465077e09def02769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213bc9b6fffa814652e8a2000b80292e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d291ccb30581a351d54cd0bc78b8814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa643f3654f9bf04ecd025fad179e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7bda6e9ac291a8628ce6e6b406bc26.png)
(1)有理数集合:{ …};
(2)无理数集合:{ …};
(3)分数集合:{ …};
(4)整数集合:{ …}.
您最近一年使用:0次
9 . 请你在方格纸上按照要求设计直角三角形:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/f5448c1c-a512-4301-8e21-54e1ec31126d.png?resizew=349)
(1)使它的三边中有一边边长为无理数;
(2)使它的三边中有两边边长是无理数;
(3)使它的三边边长都是无理数.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/f5448c1c-a512-4301-8e21-54e1ec31126d.png?resizew=349)
(1)使它的三边中有一边边长为无理数;
(2)使它的三边中有两边边长是无理数;
(3)使它的三边边长都是无理数.
您最近一年使用:0次
10 . 已知实数
是8的立方根,
是1的平方根.
(1)求
,
的值;
(2)判断
是有理数还是无理数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9728926e1d1e957ab0ec2e9772e50353.png)
您最近一年使用:0次