Cine face are puncte si corona.Doar c) trebuie si gata

[tex] \frac{3}{28} \div \frac{1}{7} = \frac{3}{4 } \times \frac{5}{6} = \frac{5}{8} \div \frac{15}{16} = \frac{2}{3} \times \frac{9}{10} = \frac{3}{5} [/tex]
Răspuns:
3 supra 4;5 supra 8;3 supra 2;27 supra 20