解题方法
1 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec24738276dca1046d5fb7730d232bc2.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4ca67225f5d4ac6c163de7d69a0ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2c3fa35b7a6f4a1a947851316258f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec24738276dca1046d5fb7730d232bc2.png)
您最近一年使用:0次
2020-11-21更新
|
1065次组卷
|
4卷引用:吉林省通榆县第一中学2020-2021学年高三上学期期中考试数学(理)试题