COMPLEJIDAD ELIMINAR

                                                                                //O(1)
    @Override
    public boolean eliminar(T x){                                               //T=2+max(1,0)+4+1+1 = 2+1+6 = 9
        if(!this.esta(x)){                                                  //2+max
            return (false);                                                     //1
        }                                           
        NodoBin<T> z=eliminarABB(this.getRaiz(),x);                           //4
        this.setRaiz(z);                                                    //1
        return (true);                                                          //1
    }
T=2+max(1,0)+4+1+1
T=2+1+6 = 9

T=9

O(1)