[填空题]
If you look at yourself iny()23lhayi0vm1s + l ftx1kon dxls5 oo)xsu55g 1sag,0c)jh a shiny Christmas tree ball with a diameter of 9.0 cm when your face is 30.5 , lc dos5 gusjax1sh)5)go0x0 cm away from it, where is your image? Is it real or virtual? Is it upright or inverted?
cm behind the surface, virtual
