Odpowiedź:
[tex] \frac{3}{4} + \frac{5}{6} = \frac{9}{12} + \frac{10}{12} = \frac{19}{12} = 1 \frac{7}{12} [/tex]
[tex] \frac{3}{4} \times \frac{5}{6} = \frac{1}{4} \times \frac{5}{2} = \frac{5}{8} [/tex]
[tex] \frac{3}{4} \div \frac{5}{6} = \frac{3}{4} \times \frac{6}{5} = \frac{3}{2} \times \frac{3}{5} = \frac{9}{10} [/tex]
Mam nadzieję, że pomogłam :)
