1 . 如图1,在平面直角坐标系中,点
的坐标为
,点
的坐标是
,连结
.若动点
从点
出发沿着线段
以5个单位每秒的速度向终点
运动,设运动时间为
秒.
(1)求线段
的长;
(2)连接
,当
为等腰三角形时,求
的值;
(3)连接
,点
关于直线
的对称点记为
(如图
,在整个运动过程中,若
点恰好落在
内部(不含边界),请直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af355c8984f67e4ceceaf9df0a42e5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1daa67de3b8971d54ced0cac0cd11f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/7de0a596-238c-43c3-b346-76a2b46cb43e.png?resizew=558)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad217e26bd3580c35998109de14cef73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2 . 我们知道无理数
都可以化为无限不循环小数,所以
的小数部分不可能全部写出来,若
的整数部分为
,小数部分为
,则
,且
.
(1)
的整数部分是________,小数部分是________;
(2)若
的整数部分为
,小数部分为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f457e696b1504bfb73140699a8e18dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cf19e65c5dd177b7a6c221edf12353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e42953357fe79c16248ef4c79e6089.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53f134cd142e3b62e37cad0e7411e8d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6ad68f10f098feda5d9b94636bf752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b33bd50c9c09e1cf1a4bbc40fd081c5.png)
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3 . 观察下列各式:
第1个算式:
;
第2个算式:
;
第3个算式:
;
……
请利用你所发现的规律,解决下列问题:
(1)第5个算式为__________.
(2)第n个算式为___________.(请用含n的式子表示)
(3)求
的值.
第1个算式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ed7347a7f01128f4b3cc48371b366f.png)
第2个算式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761f945b6a61497d32688d9292df15c3.png)
第3个算式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a028d4b9117370b7744e3b57c84fcd0d.png)
……
请利用你所发现的规律,解决下列问题:
(1)第5个算式为__________.
(2)第n个算式为___________.(请用含n的式子表示)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de9fa34c3065c135e5cc92ebf7bd907.png)
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4 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bf65360c191bd95c2ab81bee335e2f.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aaadaf9ad6f14f065d03ac486c680cb.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b678c8de0701f5d9b8c55c6c7682e31.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bf65360c191bd95c2ab81bee335e2f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aaadaf9ad6f14f065d03ac486c680cb.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b678c8de0701f5d9b8c55c6c7682e31.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f94e8d464c68ad6b8907391f44ba40.png)
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5 . 计算 :
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5ac9a9261c9fa215e183c19b50d118.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1b972097af22d05d2b54380166a720.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233436cd52b253139cc706dcddf494df.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5ac9a9261c9fa215e183c19b50d118.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1b972097af22d05d2b54380166a720.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233436cd52b253139cc706dcddf494df.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494841e86c9d1b1e251c6e9689d59987.png)
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6 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e560a39486da09bec16019014c36d2.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e560a39486da09bec16019014c36d2.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d0d0e59df5861e416cc84e5567def.png)
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7 . (1)解方程:
.
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e3a1089b2abfd4cc0a156b22d229d4.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808031661d24fba18844f2ede3142c20.png)
您最近一年使用:0次
2023-10-07更新
|
79次组卷
|
3卷引用:浙江省舟山市金衢山五校联盟2023-2024学年九年级上学期期中数学试题
8 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b349899258f7e34779a465212d6bcf48.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b349899258f7e34779a465212d6bcf48.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d3904da54d54823e8c8a442c055437.png)
您最近一年使用:0次
9 . 计算:
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ba961b942ec60de02bb2dd41aa7650.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f5fc82e0edc5a861462a3380a552f8.png)
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10 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994e6e78332c6974c92e82b240749acd.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994e6e78332c6974c92e82b240749acd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59db48eb83600da5a65d68db6ea83590.png)
您最近一年使用:0次
2023-09-12更新
|
117次组卷
|
3卷引用:浙江省温州市新希望学校2023-2024学年八年级下学期数学期中试题
浙江省温州市新希望学校2023-2024学年八年级下学期数学期中试题浙江省义乌市绣湖中学教育集团2023-2024学年九年级上学期暑假作业检查数学开学试题(已下线)专题02 代数式的相关概念及其化简计算(4大易错点分析)-备战2024年中考数学考试易错题(浙江专用)