单项式xmy3与4x2yn的和是单项式,则nm的值是( )
A.3 | B.6 | C.8 | D.9 |
更新时间:2022-01-17 14:17:58
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【推荐1】如果单项式
与
的和仍然是一个单项式,则
,
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cf26f874605f94f755dc26c00f459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9057395362b5a060b408907ae81d6ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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