下列变形,正确的有( )
①若
,则
;②若
,则
;③若
,则
;④若
,则
.
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97006fb298ae0869f556777d91acea01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46c861c5e1ed554f1a46d9b7d4a9fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501073a4f8b53aacfd6b15c1a468c40e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051b4163ac08a791c0f6e3d7ee1a867c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b9d5aaaceaa3ac514d17fcfefbf9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f85bec62c98e091ca791fe78052401f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
A.1个 | B.2个 | C.3个 | D.4个 |
23-24九年级上·湖北·周测 查看更多[1]
(已下线)湖北省襄阳华侨城实验学校2023-2024学年九年级8班上学期数学周测(18)??
更新时间:2023-12-23 23:53:53
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