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newnew44
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Tính:<công thức>
a) \sqrt{7+\sqrt[4]{3}} -\sqrt{7-\sqrt[4]{3}}
b) \sqrt{\sqrt{5}-\sqrt{3-\sqrt{29-\sqrt[12]{5}}}}
a) \sqrt{7+\sqrt[4]{3}} -\sqrt{7-\sqrt[4]{3}}
b) \sqrt{\sqrt{5}-\sqrt{3-\sqrt{29-\sqrt[12]{5}}}}
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