34. C) repede va rog

(-1+2/3)^-3:a/b=(-1/3)^-1
(-3/3 + 2/3)^-3 : a/b= -3
(-1/3)^-3 : a/b=-3
(-3)^3 : a/b = -3
-27:a/b= -3
a/b= -3/-27
a/b=3/27
a/b=1/9
=> b/a =9/1=9
Succes.