Ответ:\(5\sqrt{4}-\sqrt{25}=5\cdot2-5=5\).\(\frac{1}{3}\sqrt{0.09}-2=\frac{1}{3}\cdot0.3-2=0.1-2=-1.9\).\((\sqrt{13})^2-3\cdot(\sqrt{8})^2=13-3\cdot8=13-24=-11\).Ответ: 1) 5; 2) −1,9; 3) −11.