Question

Va rog mult ajutorrrrrr ​

Answer 1

$\sqrt{ {(3 - \sqrt{10} )}^{2} } + \sqrt{2} (2 \sqrt{2} - \sqrt{5} ) =$

$|3 - \sqrt{10} | + \sqrt{2} \times 2 \sqrt{2} - \sqrt{2 } \times \sqrt{5} =$

$- 3 + \sqrt{10} +4 - \sqrt{10} = \\ - 3 + 4 = 1$