已知单项式
与
的和是单项式,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5c1d124e8e023fe8e8c5ef3412813.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276c029ac1e29f21563329e314abb1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825633d1e9e3626fcae9d976b659f580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf5c1d124e8e023fe8e8c5ef3412813.png)
更新时间:2020-10-26 09:38:25
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【推荐1】若是
是二元一次方程
的一个解,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f926bbdf9f1c8044a52990e9084ea04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2c070c4c1748524c3d1a14c78aa815.png)
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【推荐2】已知二次方程
,用关于y的代数式表示x,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39cbce9273784efbbe0fb7862d3e1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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