Odpowiedź:
[tex][4\frac{3}{4}-(-2\frac{3}{5})]:2\frac{5}{8}-0,7=(4\frac{3}{4}+2\frac{3}{5}):\frac{21}{8}-\frac{7}{10}=(4\frac{15}{20}+2\frac{12}{20}):\frac{21}{8}-\frac{7}{10}=\\\\=6\frac{27}{20}:\frac{21}{8}-\frac{7}{10}=\frac{\not147^7}{\not20_{5}}*\frac{\not8^2}{\not21_{1}}-\frac{7}{10}=\frac{14}{5}-\frac{7}{10}=2\frac{4}{5}-\frac{7}{10}=2\frac{8}{10}-\frac{7}{10}=2\frac{1}{10}[/tex]
