计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9151a95a18b5178f83c1c754a881fa5a.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9151a95a18b5178f83c1c754a881fa5a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bceb10fc5eb742be3102ed661746a0.png)
更新时间:2022-09-03 11:35:12
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相似题推荐
解答题-计算题
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适中
(0.65)
【推荐1】(1)计算:
;
(2)作图题:(不写作法,但必须保留作图痕迹)
如图,点
、
是
内两点,分别在
和
上找点
和
,使四边形
周长最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee00ae269bbdb182ce5753e19ad09a30.png)
(2)作图题:(不写作法,但必须保留作图痕迹)
如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e98eb6db9c24321307c445af89a855.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/13/08c7ce60-5245-41be-898a-9fb466d3dfa4.png?resizew=202)
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