Răspuns:
Explicație pas cu pas:
Exercitiul 4
[tex]\frac{2}{3}:\frac{5}{7}=\frac{2}{3}*\frac{7}{5}=\frac{14}{15}[/tex]
[tex]\frac{7}{8}:\frac{3}{5}=\frac{7}{8}*\frac{5}{3}=\frac{35}{24}[/tex]
[tex]\frac{9}{4}:\frac{2}{5}=\frac{9}{4}*\frac{5}{2}=\frac{45}{8}[/tex]
[tex]\frac{8}{9}:\frac{3}{7}=\frac{8}{9}*\frac{7}{3}=\frac{56}{27}[/tex]
[tex]\frac{5}{9}:\frac{7}{2}=\frac{5}{9}*\frac{2}{7}=\frac{10}{63}[/tex]
Exercitiul 5
[tex]\frac{5}{8}:\frac{3}{4}=\frac{5}{8}*\frac{4}{3}=\frac{5}{6}[/tex]
[tex]\frac{6}{7}:\frac{9}{5}=\frac{6}{7}*\frac{5}{9}=\frac{30}{63}[/tex]
