1 . 计算下列各题.
(1)计算:
①
;
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9f3efd3d2178f3d9520cbd5f9277f4.png)
(2)解方程:
①
;
②
.
(3)因式分解:
①
;
②
(1)计算:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e563ef58a017da208851de0b9f195ef9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9f3efd3d2178f3d9520cbd5f9277f4.png)
(2)解方程:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f1a2e5a2ad0883716fe392b873f90.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7bae8a81d6f8136c5ed273d3f52f1a.png)
(3)因式分解:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7b247413bfaf1b7feae1bf1715545.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bab37aee94d1b60c127f8319e4f5f38.png)
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2 . 计算:
(1)
;
(2)
;
(3)解方程:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403bd12d426a688309b54dc621066726.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec053e26d4e18c9ff7ab713d2d89453.png)
(3)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420dcc892aa4916a1db0774d1077e18e.png)
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3 . 计算或解方程:
(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9182e259ecca7ffa7061001f4fce099a.png)
(2)解方程:
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9182e259ecca7ffa7061001f4fce099a.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6493771fdc9cf1fea1e62dad6416c5.png)
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4 . (1)求
的值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f462bf907280decad5ce98694d19090d.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f462bf907280decad5ce98694d19090d.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526efdfec292446456767c7ef5727e62.png)
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5 . (1)计算
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e708959f4cbe0700c42d1be9e4492.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3af74abfa9cdaad2aab4319b4444e8a.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0b4851c34e26fe703bbd5f9bcafee0.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2983e5f3aaf6d343e46743cb5a3acc5e.png)
(2)用直接开方法解方程.
①
.
②
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e708959f4cbe0700c42d1be9e4492.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3af74abfa9cdaad2aab4319b4444e8a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0b4851c34e26fe703bbd5f9bcafee0.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2983e5f3aaf6d343e46743cb5a3acc5e.png)
(2)用直接开方法解方程.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2827e4c6b8cd68fb83277de7406fc8a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fe9abfffb9b7851a8ef184684cd470.png)
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6 . (1)计算:
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d0ca974d79f810a711814316159c39.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1248505c0e990cdae6a670a697caace3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7 . 如图,A、B、C、D四张卡片分别代表一种运算,例如,5经过
顺序的运算,可列式为:
,8经过运算顺序
运算,可列式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8b530aae81c84964c6344de10e48a3.png)
(1)请计算
;
(2)列式计算
经过
顺序的运算结果;
(3)若数x经过
顺序的运算,结果是12.则求初始数字x是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4853b4705dee3de86e18a346ee3ae853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dabd4399c15782d4383b6e1ebdfe678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a270f93bce2f40f9517e449495d26c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8b530aae81c84964c6344de10e48a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/6b3cf041-33bb-493f-98c4-eca631c743df.jpg?resizew=271)
(1)请计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dabd4399c15782d4383b6e1ebdfe678.png)
(2)列式计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7802883178112002845956eeefcd6712.png)
(3)若数x经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28770a3cf80d7886d6845fc9f4bc7db.png)
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8 . 计算:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2ee79cff7c56dff0cbc7404f0f8981.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1823259fef35c9c88f17b7123492113a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18404d832363f0758600f4c38f574ff7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e2bab6d03806393720e23fb1c6ebdc.png)
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9 . 求x的值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e826b987eb667f56cfd0ea00d4e0eef9.png)
您最近一年使用:0次
2023-12-05更新
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417次组卷
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5卷引用:江苏省常州市天宁区正衡中学2023-2024学年八年级上学期期中数学试题
江苏省常州市天宁区正衡中学2023-2024学年八年级上学期期中数学试题(已下线)第05讲 平方根-【寒假自学课】2024年七年级数学寒假提升学与练(人教版)(已下线)6.1平方根 课后作业A层(已下线)专题01 平方根(七大题型)(题型专练)-2023-2024学年七年级数学下册《知识解读·题型专练》(人教版)江苏省镇江市丹徒区2023-2024学年八年级上学期12月月考数学试题
10 . 求下列各式中的
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a2ff659bf96972db26d5c4555e34a7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a2ff659bf96972db26d5c4555e34a7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c247badab20b101956fd61cc2687fee.png)
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