A.-23 B.-24 C.24 D.23
A、x+y<10Andx-y>0 B、x+y<10.AnD.x-y>0 C、(x+y)<10:(x-y)>0 D、x+y<10Orx-y>0
A.Picture B.Image C.Label D.Frame
A.Circle B.Line C.Point D.Pset
A.ShowFont B.ShowOpen C.ShowSave D.ShowColor