观察下列数据:﹣2,
,﹣
,
,﹣
,…,它们是按一定规律排列的,依照此规律,第11个数据是_________ .
![](https://img.xkw.com/dksih/QBM/2016/8/22/1574231102021632/1574231108386816/STEM/f8e74c47cd614953a0e37a46b5792efe.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/8/22/1574231102021632/1574231108386816/STEM/2e48d5ea3f3b4542b3a63efb306ad791.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2016/8/22/1574231102021632/1574231108386816/STEM/ecf9f7e96f6e4ab7bb4aa99bbe1e7081.png?resizew=23)
![](https://img.xkw.com/dksih/QBM/2016/8/22/1574231102021632/1574231108386816/STEM/f59f289de6734d7b81a8218b034327d3.png?resizew=24)
更新时间:2016-08-22 08:53:53
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