若二次根式
与
的和是一个二次根式,则正整数a的最小值为 ___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4f56b38b5fa13c51186557d81556ef.png)
更新时间:2021-08-06 16:24:24
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【推荐2】计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7bf9f9e9e24abda6e828ae2d3dbf82.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf44a95e258e9e48c0efdf81ae7bfa3.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6baadb0c19e3ac1bf230a402adceff.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533d2a423f3755449967e3ca31e757e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7bf9f9e9e24abda6e828ae2d3dbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf44a95e258e9e48c0efdf81ae7bfa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6baadb0c19e3ac1bf230a402adceff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533d2a423f3755449967e3ca31e757e.png)
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