urgent va rog !!! am nevoie

Răspuns:
a)[tex]\frac{29-13-5}{77}[/tex]=[tex]\frac{11}{77}[/tex]= [tex]\frac{1}{7}[/tex] (am simplificat cu 11)
b)[tex]\frac{11-1-3-5}{4} = \frac{2}{4} = \frac{1}{2}[/tex] (am simplificat cu 2)
c)[tex]\frac {137-35-49-51}{371} = \frac {2}{371}[/tex]