1 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec67ff2ee8fceeef011120128c0d27b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c92b64c5858cd5757cb2738e313725f.png)
您最近一年使用:0次
2022-08-14更新
|
99次组卷
|
2卷引用:江苏省苏州市吴江区铜罗中学、盛泽一中2021-2022学年七年级下学期期中数学试题
2 . 化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0b5b2761c96a7c9ee5d75d915b380b.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0b5b2761c96a7c9ee5d75d915b380b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9007574b6bbcd6f108f3104fa0f8fe2.png)
您最近一年使用:0次
2022-08-14更新
|
475次组卷
|
7卷引用:专题12.2 二次根式混合运算与化简求值(50题)专项训练-2022-2023学年八年级数学下册重难题型全归纳及技巧提升专项精练(苏科版)
(已下线)专题12.2 二次根式混合运算与化简求值(50题)专项训练-2022-2023学年八年级数学下册重难题型全归纳及技巧提升专项精练(苏科版)山东省淄博市桓台县2021-2022学年八年级下学期期中数学试题(已下线)专题2.1 二次根式混合运算与化简求值(50题) 专题训练-2022-2023学年八年级数学上册重难题型全归纳及技巧提升专项精练(北师大版)(已下线)专题01 二次根式【8个考点知识梳理+题型解题方法+专题过关】-2022-2023学年八年级数学下册同步考点知识清单+例题讲解+课后练习(人教版)山东省临沂市临沭县第三初级中学2022-2023学年八年级下学期4月月考数学试题(已下线)专题21.4 二次根式的混合运算专项训练(40题)-2023-2024学年九年级数学上册举一反三系列(华东师大版)(已下线)专题2.8 二次根式的混合运算专项训练(40题)-2023-2024学年八年级数学上册举一反三系列(北师大版)
3 . 计算
(1)
;
(2)
;
(3)
(利用乘法公式计算);
(4)
(利用乘法公式计算).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088a55b085198ab7e301215b1979a1bb.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb145f0ac6adc4e0d56c3575d3b18e0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900d061929c36b8c1c23c325f16e4659.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddddba4742c631e42bf3baefe7d149d3.png)
您最近一年使用:0次
4 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d32bc016b2ec0c88ef0298762bfe88b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d502f08c823628d9b4f24c632483cd3.png)
您最近一年使用:0次
5 . 阅读下列材料:若
满足
,求
的值.
设
,
,则
,
,
∴
.
请仿照上面的方法求解下面问题:
![](https://img.xkw.com/dksih/QBM/2022/4/28/2968121293774848/3044156800860160/STEM/8605b1f2f1e54a8fa3c97a0f0f0b4e8d.png?resizew=124)
(1)若
满足
,求
的值;
(2)已知正方形
的边长为
,
,
分别是
、
上的点,且
,
,长方形
的面积是35,分别以
、
为边作正方形.
①
______,
______;(用含
的式子表示)
②求阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab855ac4de08bb30a4b4ba1db4a14af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492d2922dbba102b50f89948766c4d15.png)
设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa055db427ecba2024847c4fc79195bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b74134105b4afa2470945461b8c1dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed92e914fdc91b0c0072a6c4f2c819c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4bb14fed797c575049790e940107d8.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3478970c7fb2fc229796ba287507c17d.png)
请仿照上面的方法求解下面问题:
![](https://img.xkw.com/dksih/QBM/2022/4/28/2968121293774848/3044156800860160/STEM/8605b1f2f1e54a8fa3c97a0f0f0b4e8d.png?resizew=124)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca653cc417577f5772ba49fac34ef9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f0c20d12b14583fcc9385a2d7e494f.png)
(2)已知正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce84f6062f12bf6ef42d7b733cd2248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c33132a7eb57dce564b3a2ffc8a202a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac513f3836c413aba03eccdad2bd3ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e80bb0f244f283cd4c3faf809ba488d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②求阴影部分的面积.
您最近一年使用:0次
2022-08-14更新
|
68次组卷
|
3卷引用:江苏省连云港市灌云县2021-2022学年七年级下学期期中数学试题
江苏省连云港市灌云县2021-2022学年七年级下学期期中数学试题(已下线)专题21 完全平方公式与几何图形-【微专题】2022-2023学年七年级数学下册常考点微专题提分精练(苏科版)江苏省淮安市洪泽区2022-2023学年七年级下学期期中数学试题
6 . 计算:
(1)
(2)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5859f390314b363088ab5cd7d81f0bdd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43f5d958dcfcd77efff517747113fde.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8efbd98d6686ed45bcfe5972c2adebb4.png)
您最近一年使用:0次
7 . 化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f39bfe7806339769a959f7f445e27c4.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f39bfe7806339769a959f7f445e27c4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f821858dddbe2781fed96b49ea3823d5.png)
您最近一年使用:0次
8 . 已知:
,
,求:
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7028bf7337439d737c8f634c2dd9e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cb45839bd0d9a3b0e9f6fad40d1ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0afa9f02688df9731a9ff609aec4aeb.png)
您最近一年使用:0次
9 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b9d2647c532a1b48407482da038be4.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b9d2647c532a1b48407482da038be4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c83fcbe90ca8b8824d496f133e7254.png)
您最近一年使用:0次
10 . 先化简,再求值:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00448b69d82eeca0922d3dc29893e917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
您最近一年使用:0次
2022-08-11更新
|
101次组卷
|
4卷引用:江苏省扬州市江都区邵樊片2021-2022学年七年级下学期5月月考数学试题