Daca a/b=3/4 atunci cat face a+2b/b URGEENT !DAU COROANA

Răspuns :

a/b = 3/4 
a+2b/b = a+2 = 3+2 = 5
3+2b/b
3+2ori4/4=
3+8/4= simplificam 4si 8 prin 4
3+2=5