I realize that in Windows/Preferences/Polygons we have an option to turn item numbers on/off for Vertices/Edges/Faces/UV's. That's what happened. When this options is on anything I create get stucked with these numbers, but when I turn these options off whatever was created with the numbers stay with them.
That's my problem. I can't get rid of this. Everything in my scene have these numbers now and no matter what I do, duplicate, import to another blank scene, etc, the numbers don't disapear.