已知实数
、
、
满足
,
下列命题中:①
;②
;③
;④
的最小值是
,所有真命题为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b73abfe4bc26b1ded680d7abb1a2cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0c4f061b8976df247e6b6d71165f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915ad1a611b5edd3e8f743a9e2e234aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd517469c51c70ccd4ef71a190aa445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5528a56337cf4ede5f53b206de7fa24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad9de54606c4a72d0f8decb6b0e63b2.png)
19-20高三上·湖南长沙·阶段练习 查看更多[2]
更新时间:2019-09-29 20:45:35
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【推荐1】若
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②函数
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