Răspuns :
Răspuns: [tex]\bf\red{\boxed{\bf \dfrac{5}{9} }}[/tex]
Explicație pas cu pas:
[tex]\bf -\dfrac{7}{18}:\bigg( -\dfrac{14}{20}\bigg)= \dfrac{7}{18}:\dfrac{14}{20}=\dfrac{\not7}{\not18}\cdot\dfrac{\not20}{\not14}=[/tex]
[tex]\bf \dfrac{1}{9}\cdot\dfrac{10^{(2}}{2}= \dfrac{1}{9}\cdot\dfrac{5}{1}=\red{\boxed{\bf \dfrac{5}{9} }}[/tex]