1 . 求x的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e92a616ea43a1c33758d6a7252170ad.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3219a1433926e4559f7723cf06010ca2.png)
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2 . 求下列各式中的x的值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a1eb61ceea8fb3302cc3b26e09e627.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a1eb61ceea8fb3302cc3b26e09e627.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea054f41b18779820c42d31a9d24be4.png)
您最近一年使用:0次
3 . 求下列各式中的
:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c717d2e5e73ca7cbf92731119a783dd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542affe0fff533a49092044b90457040.png)
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4 . 求下列各式中x的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b05c13ea44b46ffd8469d81dfa653a7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b05c13ea44b46ffd8469d81dfa653a7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c5b3f6b56fb2819614e5dbebde26fe.png)
您最近一年使用:0次
2024-01-03更新
|
188次组卷
|
3卷引用:江苏省苏州市苏州工业园区苏州工业园区星汇学校2023-2024学年八年级上学期期中数学试题
江苏省苏州市苏州工业园区苏州工业园区星汇学校2023-2024学年八年级上学期期中数学试题江苏省泰州市兴化市常青藤学校联盟2023-2024学年八年级上学期12月月考数学试题(已下线)专题6.11 实数(全章分层练习)(基础练)-2023-2024学年七年级数学下册基础知识专项突破讲与练(人教版)
名校
5 . 求下列各式中
的值:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db56a3773db5ddf7c39291dfc4f38d0c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97bd9ad73b915c9e5246864024fd05f.png)
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6 . 已知正实数
的平方根为
和
.
(1)当
时,
的值为______ ;
(2)若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82986ab38a4ae58593191ccae2a44f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1442b1d3d7ec031dc4517608035b196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7 . 解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5170250d50e96809c01976168ab9ae90.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f8a50e49baec159364ebe5badfbdb6.png)
您最近一年使用:0次
2024-01-01更新
|
82次组卷
|
2卷引用:江苏省无锡市锡山高级中学实验学校2023-2024学年八年级上学期期中数学试题
8 . 因为
,即
,所以
的整数部分为1,小数部分为
.类比以上推理解答下列问题:
(1)求
的整数部分和小数部分;
(2)若m是
的整数部分,且
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be6451666813519441c261a20331f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c143c56c7f76367bae6c107c505bc60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0212732f733e20e61b4ece6d4ed18c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a1c4df219088ba6dba168a4ee0b2c1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85da0a158a5631d70b4df105d8bed729.png)
(2)若m是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5735344315d236a876eafb5de43ab01c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc54f9d73738d125eb699a0c2dcbc0a.png)
您最近一年使用:0次
2023-12-31更新
|
57次组卷
|
3卷引用:江苏省泰州市高港区等2地2023-2024学年八年级上学期11月期中数学试题
江苏省泰州市高港区等2地2023-2024学年八年级上学期11月期中数学试题(已下线)猜想02 实数(易错必刷36题11种题型)-2023-2024学年八年级数学上学期期末考点大串讲(北师大版)江苏省连云港市灌南县2023-2024学年八年级上学期12月月考数学试题
9 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1093951f708ec29c1fec03ed75633ff.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77766d89303af8c4bfd576ce812f8389.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1093951f708ec29c1fec03ed75633ff.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77766d89303af8c4bfd576ce812f8389.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f18cd217e7c34ac10e279d869f38313.png)
您最近一年使用:0次