Odpowiedź:
[tex]a)\ \ 3\frac{3}{8}-\frac{5}{8}=2\frac{11}{8}-\frac{5}{8}=2\frac{6}{8}=2\frac{3}{4}\\\\\\b)\ \ 5\frac{5}{8}-\frac{7}{8}=4\frac{13}{8}-\frac{7}{8}=4\frac{6}{8}=4\frac{3}{4}\\\\\\c)\ \ 7\frac{3}{5}-\frac{4}{5}=6\frac{8}{5}-\frac{4}{5}=6\frac{4}{5}\\\\\\d)\ \ 6\frac{5}{9}-\frac{8}{9}=5\frac{14}{9}-\frac{8}{9}=5\frac{6}{9}=5\frac{2}{3}[/tex]
