Răspuns:
a)
[tex] \frac{20}{9} \div \frac{8}{3} = \\ \\ = \frac{20}{9} \times \frac{3}{8} = \\ \\ = \frac{5}{3} \times \frac{1}{2} = \\ \\ \frac{5}{6} [/tex]
b)
[tex] - \frac{10}{7} \div \frac{25}{21} = \\ \\ = - \frac{10}{7} \times \frac{21}{25} = \\ \\ = - \frac{2}{1} \times \frac{3}{5} = \\ \\ = - \frac{6}{5} [/tex]
c)
[tex] - \frac{16}{27} \div - \frac{4}{9} = \\ \\ = \frac{16}{27} \times \frac{9}{4} = \\ \\ = \frac{4}{3} [/tex]
d)
[tex] \frac{125}{12} \div - \frac{100}{9} = \\ \\ = \frac{125}{12} \times - \frac{9}{100} = \\ \\ = \frac{5}{4} \times \frac{ - 3}{4} = \\ \\ = - \frac{15}{16} [/tex]
Succes! ♡︎♥︎♡︎