Obliczenia
[tex](3\frac{4}{5}:2,5)+(6-\frac{3}{5})=(\frac{19}{5}:2\frac{5}{10})+(5\frac{5}{5}-\frac{3}{5})=\\\\=\frac{19}{5}:2\frac{1}{2}+5\frac{2}{5}=\frac{19}{5}:\frac{5}{2}+5\frac{2}{5}=\frac{19}{5}\cdot\frac{2}{5}+5\frac{2}{5}=\frac{38}{25}+5\frac{2}{5}=\\\\=1\frac{13}{25}+5\frac{2}{5}=1\frac{52}{100}+5\frac{4}{10}=1,52+5,4=\boxed{6,92}[/tex]
