Cześć ;-)
Obliczenie
[tex]3,5-1\frac{5}{8}=3\frac{5}{10}-1\frac{5}{8}=\\\\=3\frac{1}{2}-1\frac{5}{8}=3\frac{4}{8}-1\frac{5}{8}=2\frac{12}{8}-1\frac{5}{8}=\boxed{1\frac{7}{8}}[/tex]
Pozdrawiam!
