名校
1 . 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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2 . 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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3 . 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
4 . 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
|
58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
5 . 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
6 . 求下列式子的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9c6a211eb91cdddc4adb1fe5085d88.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9c6a211eb91cdddc4adb1fe5085d88.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1d02916cc51e4dc1c48fa58495af84.png)
您最近一年使用:0次
7 . 按要求完成下列各小题.
(1)求值:
;
(2)求
的值:
;
(3)计算:
.
(1)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a4e887b3bcf085e168fda4d1aafde72.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cce1d5e7767f806f7736a1481185b1.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00385bcb00a1b633bf7d0fa5c62528da.png)
您最近一年使用:0次
8 . 求满足下列各式的未知数
的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9599c4df6e7be1732afdf48698eec8d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb670297c0c2958bd5e776fc16ed9168.png)
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9 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3aca035c0812001997395996a1c933.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3aca035c0812001997395996a1c933.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a836c7f8009e5b85389301960d96b0a.png)
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10 . (1)计算:
;
(2)已知:
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ec03b2c68c16ea4bd8f909a322ce7c.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e92a616ea43a1c33758d6a7252170ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次