[tex]\frac{\sqrt{0.9}-\sqrt{0.4}}{\sqrt{0.5}.\sqrt{0.2 \ }} \\ \\ \frac{\sqrt{ \frac{9}{10} }-\sqrt{ \frac{4}{10} }}{\sqrt{ \frac{5}{10} }.\sqrt{ \frac{2}{10} }} \\ \\ \ \frac{{ \frac{3}{ \sqrt{10}} }-{ \frac{2}{ \\\sqrt{10}} }}{{ \frac{\sqrt{5}}{\sqrt{10}}.{ \frac{ \sqrt{2} }{ \sqrt{10} }}}} \\ \\ \\ \frac{3 \sqrt{10}-2 \sqrt{10} }{10} = \frac{ \sqrt{10} }{10} \\ \\ \frac{\sqrt{5}}{\sqrt{10}}.{ \frac{ \sqrt{2} }{ \sqrt{10} }}}}= \frac{ \sqrt{10} }{10} \\ \\ [/tex]
[tex]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\frac{ \frac{ \sqrt{10} }{10} }{\frac{ \sqrt{10} }{10}}=1 \\ \\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\textbf{Sancak1907}~~~~~~~ ~~~~~~~~~~~~~~~~~~~~\\~~~~~~~~~~~~~~~~~~~~\textbf~~~~~~~~~~~~~~~~~~~~\textbf{Rehber}~~\textbf{Moderat}\textbf{\"{o}r}}[/tex]
