解不等式
,并把它的解集表示在数轴上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babf0dce17a5d90590e562583e11fbe1.png)
更新时间:2022-07-18 14:23:06
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解答题-作图题
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较易
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【推荐1】(1)尺规作图:作线段
的中垂线
;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/03083b42-5b61-43fc-8b71-682a9424c2c1.png?resizew=178)
(2)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/03083b42-5b61-43fc-8b71-682a9424c2c1.png?resizew=178)
(2)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc62d7f4b63a12627afa8c6a531646e.png)
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解答题-问答题
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较易
(0.85)
【推荐2】解不等式,并把它的解集在数轴上表示出来.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2957bfea71cecabe3865d13a691951f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d719738c78a38fdb8d5b88ef8d8adb94.png)
您最近一年使用:0次
解答题-问答题
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【推荐2】解不等式组
,请结合题意填空,完成本题的解答:
(1)解不等式①,得______;
(2)解不等式②,得______;
(3)把不等式①和②的解集在数轴上表示出来;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/03ba0c79-4c44-4869-97d5-1a1fd6fef9e9.png?resizew=261)
(4)原不等式组的解集为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb5fb7e8655f26fe2e0ede1d0681606.png)
(1)解不等式①,得______;
(2)解不等式②,得______;
(3)把不等式①和②的解集在数轴上表示出来;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/03ba0c79-4c44-4869-97d5-1a1fd6fef9e9.png?resizew=261)
(4)原不等式组的解集为______.
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