已知
,
,
,且
,则
=___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a9ee06bad944581c43313af719cc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c29203d03a252b9ee91aa9916e04fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fe732d1567322eb1ab7e6143908b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fee06cc1bf96fc80df8f4de15d93f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b70c06e17044d35508bf64c02e1f58.png)
更新时间:2019-10-01 12:33:16
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【推荐1】已知数
的大小关系如图所示:则下列各式:①
;②
;③
;④
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.其中正确的有_____ (请填写编号).
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【推荐2】﹣
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绝对值是_____ .
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