Răspuns
Explicație pas cu pas:
[tex]\dfrac{15}{7}:3=\dfrac{15}{7} \cdot \dfrac{1}{3} = \dfrac{5}{7}\\2:\dfrac{16}{9}=2\cdot \dfrac{9}{16}= \dfrac{9}{8}\\\dfrac{16}{27}:\dfrac{4}{9}=\dfrac{16}{27}\cdot \dfrac{9}{4}= \dfrac{4}{3}\\\\\dfrac{42}{55}:\dfrac{7}{5}=\dfrac{42}{55}\cdot \dfrac{5}{7}= \dfrac{6}{11}[/tex]
