[tex]\sqrt{9+9\sqrt{64}}-\sqrt{13^2-5^2}+100*\sqrt{0,0324}=\\ \sqrt{9+9*8}-\sqrt{169-25}+100*\sqrt{\frac{324}{10000}}=\\ \sqrt{9+72}-\sqrt{144}+100*\sqrt{\frac{81}{2500}}=\\ \sqrt{81}-\sqrt{144}+100*\frac{\sqrt{81}}{\sqrt{2500}}=\\ 9-12+100*\frac{9}{50}=\\ 9-12+18=15.[/tex]
/robertinni