Question

resolva a seguinte questão: ​

Answer 1

$2\sqrt{18}+3\sqrt{32}- \sqrt{72}=$

$2\sqrt{9.2}+3\sqrt{16.2}-\sqrt{36.2}=$

$2.3\sqrt{2}+3.4\sqrt{2}-6\sqrt{2}=$

$6\sqrt{2}+12\sqrt{2}-6\sqrt{2}=$

$12\sqrt{2}$