1 . 求下面式子中x的值.
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218f4dc313f960c303249a2994707e89.png)
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2 . 已知
,则x的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba1b1a49e58304543d9f93b43fcb7b8.png)
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3 . 计算
(1)
;
(2)
;
(3)解方程:
;
(4)解方程组:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add8c30b0f944809684fa97205723fef.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e4aab31357a9d9a8649691c51c105e.png)
(3)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b0e54a3e74226560cba1965e9b29f7.png)
(4)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c5436f261b03415233eb67d70749ca.png)
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4 . 求式子中x值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e030d977917125e5825830903fdefc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671c392b93af0f8ee3d1ff25348d3446.png)
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5 . 计算题,解方程(组)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f483ade3375b7ce1830297aa25dd686a.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77246f5a5773cc4ec7aa808f30c6b313.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9cc54b8548f214afe638a658259289.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5b0b8bef7df54a01ed44d9c66a39a8.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbff895d9cc991ce911903c4623ecdb.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f483ade3375b7ce1830297aa25dd686a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77246f5a5773cc4ec7aa808f30c6b313.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9cc54b8548f214afe638a658259289.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5b0b8bef7df54a01ed44d9c66a39a8.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbff895d9cc991ce911903c4623ecdb.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf3aeb5279e42184fb396936a08c0d3.png)
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6 . 求下列各式中的x的值;
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bd9885297bd8c8e402bc12363c9ff1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9609258478798f9e3a2cb83dc2571f8.png)
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7 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8793c6580032fdb1ad52b412f6064f30.png)
(2)求x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8793c6580032fdb1ad52b412f6064f30.png)
(2)求x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b95f6bf7e264183e8135bd72939d61c.png)
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2024-06-03更新
|
128次组卷
|
2卷引用:辽宁省鞍山市海城市第六中学2023-2024学年七年级下学期期中数学试题
8 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e0ce973bcd8e8b59495887571c6535.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e0ce973bcd8e8b59495887571c6535.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212b9d8aff7d54ed1c24aa25bf969f86.png)
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9 . 求式子中
的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ad0d81a350c7a76cbc488a94589273.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a81b7fd7ecf901580d7569fb86b2a7.png)
(3)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ad0d81a350c7a76cbc488a94589273.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a81b7fd7ecf901580d7569fb86b2a7.png)
(3)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7f567a560bde40b067a2a2f4d222ce.png)
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