单项式
的系数为_______ ,次数为________ ,写一个它的同类项________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1f274e2907df4b8970e3169e904df2.png)
更新时间:2020-11-25 09:16:33
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【推荐2】若
和
是同类项,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
_________ ;合并的结果是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637c33b0ac83a792f5d3aa7954e56f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd1fdab9b6df35c0119a1c572eb510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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