在矩形
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9899c31e25414a918d432c6835bdac5.png)
___________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ba370a3912d1a983146af9c7f9c950.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9899c31e25414a918d432c6835bdac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ba370a3912d1a983146af9c7f9c950.png)
更新时间:2022-06-28 10:45:54
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