【阅读材料】
(材料一)细心观察图形,认真分析各式,总结其中蕴含的规律.
,
(
是
的面积);
,
(
是
的面积);
,
(
是
的面积);
(材料二)化简:
.
解:
.
【问题解决】利用你总结的规律,解答下面的问题:
(1)填空:
_________,
_________;
(2)求
的值.
(材料一)细心观察图形,认真分析各式,总结其中蕴含的规律.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418c03231d7b78c0c1c4a14128b73906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203122b42b591536a43bbf1b171743d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34bccdd487a9e5d8698dc85ff3d7acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20c68d1e2860685c67a81e57cd7c075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554a870ba0c66752f89e00ae26cc7646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f252a9a6f1dbe77682819d5ae5aa38a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c4b50357cea7bff2f42823858eacb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51417ed5c9681fc9901174af61e2ec91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976030b5ecd04c7482827b4d7d8826c9.png)
(材料二)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df66d6955b3d0af552332b24effad6b.png)
解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15e4593a24c71d6dccb6d54e84514f9.png)
【问题解决】利用你总结的规律,解答下面的问题:
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fbdd2e3efbef1ff014df55b242eced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9736346079307b3898ddd4740afc099.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79484bf211fd1294310887a99bc29689.png)
23-24八年级下·山东济宁·期中 查看更多[2]
山东省济宁市微山县2023-2024学年八年级下学期期中数学试题(已下线)清单05 二次根式 全章复习(3个考点梳理+11种题型+10类型)-2023-2024学年八年级数学下学期期末考点大串讲(苏科版)
更新时间:2024-05-28 23:04:38
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【推荐1】观察下列等式,你会发现什么规律:
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请将你发现的规律用仅含字母
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
【推荐2】观察以下等式:
第
个等式
;
第
个等式
;
第
个等式
;
第
个等式
.
按照以上规律,解决下列问题:
(1)写出第
个等式:______;
(2)写出你猜想的第
个等式:______
用含
的等式表示
,并证明你的结论.
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88338efd287d92cb800300ce9f1148ec.png)
第
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a9e97327906cc2da1f1baa6ecf5afa.png)
第
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c7a64e80d643153b9850451c7d2fe7.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e1b309c61aa3aa08b648fe94c79741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cdcc58d8679574ac955c1ae5b01e57.png)
按照以上规律,解决下列问题:
(1)写出第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
(2)写出你猜想的第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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【推荐1】四边形
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的值是否为定值?若是请求出这个定值;若不是,请说明理由
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(2)探究:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09c718aee0d27045dea7face6ee5890.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781e56e25b06e8512793b95b76d0d966.png)
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