1 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c922928da37ba5d69207c8209080d9.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c922928da37ba5d69207c8209080d9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcef73c78e40a80773ad5ce94b21b42f.png)
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2 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e08f30ba23e49f6086f947649ddb417.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed6576f76261b3b811491d2febfa3ab.png)
您最近一年使用:0次
2024-06-06更新
|
157次组卷
|
3卷引用:浙江省杭州市萧山区萧山区红垦学校2023-2024学年八年级下学期期中数学试题
浙江省杭州市萧山区萧山区红垦学校2023-2024学年八年级下学期期中数学试题浙江省杭州市萧山区2023-2024学年八年级下学期期中数学试题(已下线)浙江省八年级数学下学期期末模拟试卷02-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(浙教版)
3 . (1)计算:
;
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa6352e88b3a32bbfd3e7b03519e777.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146b714d5d11115d20b6b497718fcb6a.png)
您最近一年使用:0次
4 . 计算或解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f925d0e46a3943e8907eafe900469c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900a4d7fe620ff260df594dc4954a821.png)
您最近一年使用:0次
5 . 计算:
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76b0a61d4adb30b52b49cc611044041.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddee6b02e67f3a6aaf77cd974aa3376.png)
您最近一年使用:0次
6 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8e0f87be98d93cff6c23c6b122ee35.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8e0f87be98d93cff6c23c6b122ee35.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9db2e1dd726442454a1bfdd0a05ef8.png)
您最近一年使用:0次
7 . 我们规定:有一组邻边相等,且这组邻边的夹角为
的凸四边形叫做“半等边四边形”.
中,
,
,
,求证:四边形
是“半等边四边形”;
(2)如图2,
中
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
①求
、
的长;
②设
是
所在平面内一点,当四边形
是“半等边四边形”时,请直接写出四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be66a4dad3eda57de0458eec62752245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba2098ed6b4137b08932524b72ba37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
8 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25e2b7c62984f4fe9a42d2e39970405.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00810a6bae7e540789dda31f998611b.png)
您最近一年使用:0次
9 . (1)计算:
;
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e437dbd2b87e6c1cd5e3cbfd003a19b5.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0b663c96a45e8031dde30026ad204a.png)
您最近一年使用:0次
10 . 小明在学习二次根式后,发现一些含根号的式子可以写成另一个式子的平方,如:
,善于思考的小明利用完全平方公式进行了以下探索:
.请你仿照小明的方法解决下列问题:
(1)
,则
______,
_______;
(2)已知x是
的算术平方根,求
的值;
(3)当
时,化简
_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3197a8f1471dd1d891ad87e622f0e27e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287edec54a2cfc35cc1846fd9a110d8f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75749425d8cececbf0f1939a171f1562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)已知x是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4324f8b8e4f3dac696bd32eb8e28db42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d882c27ef83f70f8501c6762caf5572.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5235ff847c0b15b414f2bb4fb3c56600.png)
您最近一年使用:0次