关于x、y的方程组
的解满足
,则a的取值范围为______ .
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21-22八年级下·陕西西安·期末 查看更多[2]
陕西省西安市铁一中2021-2022学年八年级下学期期末数学试题(已下线)专题02一元一次不等式与不等式组(8大题型)【好题汇编】-备战2023-2024学年八年级数学下学期期末真题分类汇编(陕西专用)
更新时间:2023-10-07 00:09:26
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【推荐1】若关于m,n的二元一次方程组
的解为
,则关于x,y的二元一次方程
的解是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a6bf619e301ba7044411b4cf3704e7.png)
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【推荐1】点
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,称点
为幸福点,若点
满足
,则称点
为师一点,若点
既是幸福点又是师一点,则点
的坐标为 ___________ :若点
既是幸福点又是师一点,且
在第二象限内,则当整数a取最大值时,点
的坐标为 ___________ .
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