[tex]\sqrt{64} +\sqrt[3]{1000} = 8+10=18\\\\ \sqrt[3]{7^2+15} =\sqrt[3]{49+15}=\sqrt[3]{64} = 4\\ \\\sqrt{13^2}+\sqrt[3]{7^3} =13+7=20\\\\ \sqrt{2} *\sqrt{18}+ 3*\sqrt[3]{3} *\sqrt[3]{9} =\sqrt{36} +3\sqrt[3]{27} =6+3*3=6+9=15\\\\ \frac{\sqrt{75}+2\sqrt{3} }{\sqrt{3}} =\sqrt{\frac{75}{3} } +2\sqrt{\frac{3}{3}} =\sqrt{25} +2\sqrt{1} =5+2=7[/tex]
