Răspuns :
Descazut-Scazator=Rest
[tex] \frac{8}{9}-a=\frac{5}{9} \\ \\ \frac{8}{9}-\frac{5}{9}=a \\ \\ a= \frac{8-5}{9}= \frac{3}{9} \\ \\ a= \frac{3}{9} [/tex]scazatorul
[tex] \frac{8}{9}-a=\frac{5}{9} \\ \\ \frac{8}{9}-\frac{5}{9}=a \\ \\ a= \frac{8-5}{9}= \frac{3}{9} \\ \\ a= \frac{3}{9} [/tex]scazatorul