Question

3 корень 25 + корень 2 * корень 8

Answer 1

$3 \sqrt{25} + \sqrt{2} \times \sqrt{8} = \\ = 3 \times 5 + \sqrt{ 2\times 8} = \\ = 15 + \sqrt{2 \times 2 \times 2 \times 2} = \\ = 15 + 4 = \\ = 19$