1 . 如果方程
和方程
的解相同,那么
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052823ca0189b1136396b0442554df73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e87ff16cc0922c1fcdc345d6aa96a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.2 | C.![]() | D.![]() |
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2 . 若代数式
与
是同类项,则m的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b2fadcc56c08219691ee7d67b17ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15680f038fbc2c6ed0accc7219b218d.png)
A.![]() | B.0 | C.1 | D.![]() |
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2023-12-26更新
|
90次组卷
|
2卷引用:广东省东莞市长安实验中学2022-2023学年七年级上学期期中数学试题
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3 . 对于任意有理数
和
,我们规定:
,如
.若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0930f05100113e3cd7f40d94372b8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd7155f037eab859a6f4780f76c69c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238aa55f754cfc95eea907d8bb1852b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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4 . 若关于
的方程
的解比
的解小8,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e6f80401d3dce7519e9052141f1be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf9be8bda44c6a40000669d3c0291ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 如图是一个正方体的展开图,其中只有四个面标有式子或字母,将这个展开图折成正方体后,相对面上的式子相等,求A的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/8ebbedf5-b11d-4b41-b96a-eae8ea9b3427.png?resizew=153)
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6 . 若关于
的方程
的解是
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846c735e530020c39761d4369f6bebea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-22更新
|
88次组卷
|
2卷引用:浙江省台州市黄岩区2022-2023学年七年级上学期期末数学试题
7 . 下列方程的变形,正确的是( )
A.由![]() ![]() | B.由![]() ![]() |
C.由![]() ![]() | D.由![]() ![]() |
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8 . 解方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54299c738c0047fb734c61d70ffec621.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d273d225b612afa766d997b8ec73c5.png)
(3)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54299c738c0047fb734c61d70ffec621.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d273d225b612afa766d997b8ec73c5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f056d6eb5f0fb9ce1b64dedc5705119f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839a71a25887a9d38b3a6cc2b47aedab.png)
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9 . 如果关于
的方程
的解是
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae62d3b40f269e8ddc0cac0a6e4dc64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.1 | C.5 | D.![]() |
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2023-12-21更新
|
123次组卷
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2卷引用:四川省成都市蒲江县蒲江中学2022-2023学年七年级上学期期末数学试题
10 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39d9ab2258aefec14abcb7b48e109e1.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abab023d0bb088f676e0f0957c093e80.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2c43a88b2641e2cfd051a62d7c98d7.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39d9ab2258aefec14abcb7b48e109e1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abab023d0bb088f676e0f0957c093e80.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2c43a88b2641e2cfd051a62d7c98d7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f0e4c5df853ac313cf08eac74289a4.png)
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