2020高三下·山东·专题练习
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解题方法
1 . (多选)定义:
表示
的解集中整数的个数.若
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ed217245f49809de4d52165d0804ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab42740d8f095b5f7825d14c4c312096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e9ad727eb8f144101735d43396a42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf6baa793e2a32a29fcd5fb33eb1f4d.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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