若
,则代数式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cf20250ccec817ef2c229447d2b701.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74490a23cd584fd39cea93ca3ca07106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cf20250ccec817ef2c229447d2b701.png)
2023·四川成都·一模 查看更多[4]
2023年四川省成都市实验外国语学校中考一模数学试题(已下线)专题2.26 实数(中考常考点分类专题)(基础篇)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)四川省成都市部分学校2023-2024学年九年级上学期10月月考数学试题四川省成都市彭州市成都石室白马中学2023-2024学年九年级上学期10月月考数学试题
更新时间:2023-04-11 15:49:16
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【推荐1】阅读理解:若
满足
,求
的值.
解:设
,
,则
,
,
.
(1)若
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d26677403b9f85f0a53ef1a6599763.png)
_________ ;
(2)两个长方形
和
如图放置,
,
,
,
,已知长方形
的面积为16,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebd1a53a1d0bad5204ebe8a779ae086.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206dad2e5291643af2a8bb1d175f97a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068c613e824d6b787055f537ab4162f7.png)
解:设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384156acdc30d3377b383a3d154dd939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2013869a768a0be0643ded513be792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befa040ee57d4d9da4c1b884557e34cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef4801b3a2b0c373ec4a3290107d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbdee1045c96e48d17602790650cf85d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9eb680605fa9474a875dde914627a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d26677403b9f85f0a53ef1a6599763.png)
(2)两个长方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff9969dd9668152f06c48fb753f60da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42e97eee705d164e6ac6de9ecd6d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354fe2139c99352e6e62dbcbc587f95b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb909eaf6572dc2a0cac7557cb91d2cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74bee2e760d8421d8fde324a9632e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b74ee0586dbc59944da676c4f8e09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebd1a53a1d0bad5204ebe8a779ae086.png)
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