Odpowiedź :
[tex]6 - \frac{5}{12} =5 \frac{12}{12} - \frac{5}{12} = 5 \frac{7}{12} [/tex]
[tex]9 \frac{1}{6} - 7 \frac{5}{6} = 8 \frac{7}{6} - 7 \frac{5}{6} = 1 \frac{2}{6} = 1 \frac{1}{3} [/tex]
[tex]6 - \frac{5}{12} =5 \frac{12}{12} - \frac{5}{12} = 5 \frac{7}{12} [/tex]
[tex]9 \frac{1}{6} - 7 \frac{5}{6} = 8 \frac{7}{6} - 7 \frac{5}{6} = 1 \frac{2}{6} = 1 \frac{1}{3} [/tex]