j) 6 i 4/5
k) 7/8
Licze na naj
[tex]8\frac{2}{5} - 1\frac{3}{5} = \frac{42}{5} - \frac{8}{5} = \frac{34}{5} = 6\frac{4}{5}[/tex]
[tex]9\frac{2}{8} - 8\frac{3}{8} = \frac{74}{8} - \frac{67}{8} = \frac{7}{8}[/tex]
liczę na naj :)
