[tex]\left(2*\frac{7}{6}\right)^2-\left(4-\sqrt{1\frac{24}{25}}\right)\left(2,5*1\frac{1}{3}\right)=\left(1*\frac{7}{3}\right)^2-\left(4-\sqrt{\frac{49}{25}}\right)\left(2\frac{1}{2}*1\frac{1}{3}\right)=\\\\=\frac{49}{9}-\left(4-\frac{7}{5}\right)\left(\frac{5}{2}*\frac{4}{3}\right)=\frac{49}{9}-\left(\frac{20}{5}-\frac{7}{5}\right)\left(\frac{5}{1}*\frac{2}{3}\right)=\frac{49}{9}-\frac{13}{5}*\frac{10}{3}=\frac{49}{9}-\frac{13}{1}*\frac{2}{3}=[/tex]
[tex]=\frac{49}{9}-\frac{26}{3}=\frac{49}{9}-\frac{78}{9}=-\frac{29}{9}=-3\frac{2}{9}[/tex]
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[tex]\left(2*\frac{7}{6}\right)^2-\left(4-\sqrt{1\frac{24}{25}}\right)\left(2,5*1\frac{1}{3}\right)=\left(1*\frac{7}{3}\right)^2-\left(4-\sqrt{\frac{49}{25}}\right)\left(2\frac{1}{2}*1\frac{1}{3}\right)=\\\\=\frac{49}{9}-\left(4-\frac{7}{5}\right)\left(\frac{5}{2}*\frac{4}{3}\right)=\frac{49}{9}-\left(\frac{20}{5}-\frac{7}{5}\right)\left(\frac{5}{1}*\frac{2}{3}\right)=\frac{49}{9}-\frac{13}{5}*\frac{10}{3}=\frac{49}{9}-\frac{13}{1}*\frac{2}{3}=[/tex]
[tex]=\frac{49}{9}-\frac{26}{3}=\frac{49}{9}-\frac{78}{9}=-\frac{29}{9}=-3\frac{2}{9}[/tex]