Question

66 pontos em...

Simplifique as expressões

$<var>3.\sqrt{2} - 2.\sqrt{18} + 3.\sqrt{72}</var>$

Answer 1

$<var>3\sqrt{2} - 2\sqrt{2.9} + 3\sqrt{2.36}</var>$

$<var>3\sqrt{2} - 6\sqrt{2} + 18\sqrt{2}</var>$

$<var>15\sqrt{2}</var>$