已知
与
是同类项,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab9ed66c55bcdbc69ff9b4d4acf5d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715cce16494b297e5b86760e54e8ba99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f14a1525581c7fb948cdf75d5e3fc9.png)
A.![]() | B.1 | C.2 | D.-2 |
更新时间:2019-11-09 17:29:16
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【推荐2】下面是嘉淇同学的练习题,他最后得分是( )
姓名嘉淇 得分_____
填空题(评分标准:每道题5分)
(1)
的相反数为(2);
(2)
(
);
(3)用代数式表示a,b之差与c的商:(
);
(4)单项式
的系数为(
).
姓名嘉淇 得分_____
填空题(评分标准:每道题5分)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5075a5aca607f927240b21c77ae627cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(3)用代数式表示a,b之差与c的商:(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7066bcef774b62618a9f501a91b6a839.png)
(4)单项式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fdbba4fcacc09ee1b05eccf72cb047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
A.20分 | B.15分 | C.10分 | D.5分 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,数轴上点
,
,
,
表示的数中,绝对值是2的点是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/2ee6f733-e878-4f29-be59-2fa260396af0.png?resizew=268)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/2ee6f733-e878-4f29-be59-2fa260396af0.png?resizew=268)
A.点![]() | B.点![]() | C.点![]() | D.点![]() |
您最近一年使用:0次
单选题
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【推荐1】若代数式
与
是同类项,则常数n的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e23de3788d031e76a9a0ae2c61197dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bb9281f86de73389cee7462da4afec.png)
A.2 | B.3 | C.4 | D.6 |
您最近一年使用:0次