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1 . 解下列方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f8b04efa1834fba8fb9b4518e892c0.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f74a35dcfa224fbce3f037a224069e9.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83244371fdf2616aedd56b3fc49ded4b.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f8b04efa1834fba8fb9b4518e892c0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f74a35dcfa224fbce3f037a224069e9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83244371fdf2616aedd56b3fc49ded4b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d373a71dead26aa589c8b772330395.png)
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2 . 解下列方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b68bc11fe3820ee0ba9702260f0121.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae22341cf183356c1acbf52d4721e09.png)
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3 . 解下列方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2ef9668a021b2dccd6b1bce578afd0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614de3f1fb7cfb55ecefe21c7b1a19e4.png)
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4 . 解方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d174c36ef21cb3803516f0c96e5c59e7.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d6f48741eb80fdfeaeeb14f852197f.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f6d7dd8f3848b9bce75a33c384388c.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d174c36ef21cb3803516f0c96e5c59e7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d6f48741eb80fdfeaeeb14f852197f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f6d7dd8f3848b9bce75a33c384388c.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfac0b7bcb1cc96bb64cebb808614a73.png)
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5 . 解方程
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fb277331b104d7a822471c9e5e1a63.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fb277331b104d7a822471c9e5e1a63.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcad91c03460997426e9680390152b9e.png)
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6 . 解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4885d9de990a78ff4e176713b27d117e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4957e4e6b956cb33c63917b5097b0209.png)
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7 . 若一个正数的两个平方根分别是
与
,则m的值是 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243e069572872ab946ad883813bd8983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e3d4d5e13ff0ca1252a50375785104.png)
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2024-04-03更新
|
510次组卷
|
2卷引用:江西省南昌市青山湖区江西科技学院附属中学2023-2024学年七年级下学期月考数学试题
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8 . 若一个正数有两个不同的平方根为
和
,则m的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243e069572872ab946ad883813bd8983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e3d4d5e13ff0ca1252a50375785104.png)
A.1 | B.2 | C.1或![]() | D.![]() |
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2024-04-02更新
|
302次组卷
|
2卷引用:内蒙古科尔沁区第八中学2023-2024学年七年级下学期第一次月考数学试题
9 . 请根据两位同学的对话,完成下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/1835fc90-a023-45bd-8138-a332ceab5259.png?resizew=371)
(1)求c的值.
(2)若
,求x的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/1835fc90-a023-45bd-8138-a332ceab5259.png?resizew=371)
(1)求c的值.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a0df0b5dfacc1e83e3e8ad185f2732.png)
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10 . 我们规定,若关于
的一元一次方程
的解为
,则称该方程为“差解方程”,例如:
的解为2,且
,则该方程
是差解方程.请根据上述规定解答下列问题:
(1)判断
是否是差解方程;
(2)若关于
的一元一次方程
是差解方程,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cb7125a7b832153bb37fb614a73e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052823ca0189b1136396b0442554df73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f0ff92d7c096d419062071fe70cc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052823ca0189b1136396b0442554df73.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d321eb90561db9d2d086f279c3c3f151.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d6ffa6290c52230326ed7d19e49482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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