Question

1. Efectuati calculele:
2√3•3√6+√32-3√50+√80:√10

Answer 1

$2\sqrt{3} * 3\sqrt{6} + \sqrt{32} - 3\sqrt{50} + \sqrt{80} : \sqrt{10} =\ \textgreater \ 6\sqrt{18} + \sqrt{32} - 3\sqrt{50} + \sqrt{8}$$=\ \textgreater \ 18 \sqrt{2} + 4\sqrt{2} -15 \sqrt{2} + 2\sqrt{2} =\ \textgreater \ 31\sqrt{2}$