Răspuns:
echiunitare:
[tex] \frac{7}{7} [/tex]
subunitare:
[tex] \frac{5}{6} \: \: \: \frac{3}{5} \: \: \frac{11}{12} \: \: \frac{9}{10} \: \: \frac{14}{20} \: \: \frac{90}{91} \: \: \frac{405}{504} [/tex]
supraunitare:
[tex] \frac{8}{4} \: \: \frac{9}{8} \: \: \frac{31}{30} \: \: \frac{103}{33} [/tex]
