1 . 已知
,且关于
的方程
有
个根,则这
个根的和的可能值组成的集合为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8088a9bf56cf5ba1fd1a06f9fbf6b709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a562469da174b08f1d95a9528cbde688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be5b3f24056e94e16c9700d72ba2948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 函数
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed446e6dc7d7d68c8acb237722c5053.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016eca533961de8b097e2d85564a8f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ee12f9d33e91cbee3918a13c3b9d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed446e6dc7d7d68c8acb237722c5053.png)
您最近一年使用:0次
名校
3 . 定义在实数集
上的函数
满足
,当
时,
,则函数
的零点个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e064a1d9a7fe5f3333ba7cd68a1ff09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ce120632801df6af37e01357bda159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74e60d40012e5c5e83ca6e035de0f44.png)
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