[tex]\sqrt{\frac{16}{49}}*\sqrt{\frac{49}{64}}+(\sqrt{289})^2-3*\sqrt{0,36}*\sqrt{100}=\frac{4}{7}*\frac{7}{8}+289-3*0,6*10=\frac{1}{2}+289-18=\frac{1}{2}+271=271\frac{1}{2}[/tex]
