[tex]\frac{29}{9}-(9-\sqrt{1\frac{7}{9}} )=\frac{29}{9}-(9-\sqrt{\frac{16}{9}} )=\frac{29}{9}-(9-\frac{4}{3} )=\frac{29}{9} -\frac{81}{9} +\frac{12}{9} =-\frac{40}{9}=-4\frac{4}{9}[/tex]
Pozdrawiam.
