[tex]Zadanie\ 9\\\\\sqrt{0,45}=\sqrt{0,09\cdot5}=0,3\sqrt{5}\ -\ Prawda\\\\\sqrt[3]{2500}= \sqrt[3]{5\cdot5\cdot5\cdot20}=5\sqrt[3]{20}\ -\ Falsz\\\\\sqrt{6400} \cdot\sqrt[3]{0,008}+\sqrt[3]{-1}=80\cdot0,2+(-1)=16-1=15\ -Falsz\\\\\sqrt{25}-\sqrt[3]{27}:\sqrt{0,09}=5-3:0,3=5-10=-5\ -Prawda[/tex]
