Odpowiedź :
[tex]Zadanie\\\\a-1\frac{5}{6} =2\frac{1}{3}\ \ \ \mid+1\frac{5}{6} \\\\a=2\frac{2}{6}+1\frac{5}{6}\\\\a=3\frac{7}{6}\\\\a=4\frac{1}{6}[/tex]
[tex]Zadanie\\\\a-1\frac{5}{6} =2\frac{1}{3}\ \ \ \mid+1\frac{5}{6} \\\\a=2\frac{2}{6}+1\frac{5}{6}\\\\a=3\frac{7}{6}\\\\a=4\frac{1}{6}[/tex]