若
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6f4af9c7b2749167654e4b2eac3f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f140e63346dba43429912ef89901a119.png)
更新时间:2020-08-19 14:23:55
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填空题
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适中
(0.65)
【推荐1】设
,则代数式中①
,②
,③
,④
,⑤
,⑥
是负数的有________ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8d40e257f9c446b8e30fa841b74bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03feb2aead87412ea1eeda6ef6bb66eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8d830e3275a9fee9d8bdbdd8bbce9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38a8178b2c1e3c53e7def4a1af93b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d02dc1f3fd2b6983792acc36d667ad1.png)
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