Răspuns:
Explicație pas cu pas:
A.
[tex]\frac{28}{45}:\frac{63}{35}= \frac{28}{45}\cdot \frac{35}{63} =\frac{28}{81}[/tex]
B.
[tex]\frac{18}{5} :\frac{3}{4} =\frac{18}{5}\cdot \frac{4}{3} =\frac{24}{5}[/tex]
[tex]\frac{18}{5}\cdot \frac{3}{4}=\frac{27}{10}[/tex]
[tex]\frac{24}{5} >\frac{27}{10}[/tex]
