[tex]\sqrt{\frac{9}{25}}\times \sqrt{\frac{25}{36}}+ (\sqrt{361})^2-4\times \sqrt{0,49}\times\sqrt{100}=\sqrt{\frac{\not9\ ^1}{\not25\ _1}\times\frac{\not25\ ^1}{\not36}_{4}}+361-4\times\sqrt{49}=\sqrt{\frac{1}{4} } + 361-4\times7=\frac{1}{2}+361-28=0,5+361-28=361,5-28=333,5[/tex]
