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1 . (1)设数轴上点
与数
对应,点
与数
对应,已知线段
的中点到原点的距离不大于
,求
的取值范围;
(2)求方程组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039c97437bbcb2cea66cdccfa8f79320.png)
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2022-11-24更新
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115次组卷
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2卷引用:辽宁省鞍山市2022-2023学年高一上学期期中数学试题