一元一次不等式
解集是___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d743c445543d286cbb4c0ec2f1c07f.png)
更新时间:2022-08-14 23:00:50
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【推荐2】对于有理数x,y,a,t,若
,则称
和
关于
的“美好关联数
为
,例如,则
,则2和3关于1的“美好关联数”为3.
(1)
和5关于2的“美好关联数
为________ ;
(2)若
和2关于3的“美好关联数”为4,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21394176adfea4e18127a32267f170ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc6d4cc31ddbefbf046c36bb430f3fd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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【推荐1】如果关于
的不等式
可化为
,那么
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50bc26d6d04e777acf23354abddbad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6c9ed13599fa25bfcb99e9fe1054a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】对于任意实数a,b,定义关于“
”的一种运算如下:
.例如:
.若
,则x的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea7e8b342faaee891b043eea8abf366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ec1418c8772f7a227fe70914228559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84db365b099f6210c8d6e726bf645837.png)
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