已知
,
.
求
的值;
化简并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257c4563936e1a063a6d54d91f9d8811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43ae4d500d176d77a429c7d84ae3b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ba97cbf81f7717f79db450526ec6c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8ffd42274bbb09255333f233938df9.png)
17-18高一下·上海杨浦·期末 查看更多[2]
【区级联考】上海市杨浦区2017-2018高一学年第二学期期末质量抽测数学试题(已下线)上海期末真题精选50题(大题基础版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)
更新时间:2018-12-12 08:20:12
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