[tex]6 \frac{8}{9} - 1 \frac{1}{2} = [/tex]
[tex]8 \frac{5}{7} - 3 \frac{2}{5} = [/tex]
[tex]4 \frac{1}{4} - 4 \frac{1}{6} = [/tex]
Plis na jutro!​