/假设空间某点的坐标为(x,y,z),规定-(x,y,z)关于原点的对称 class Space public int x,y,z; C:\VINDOWS\system32\cmd.exe 回 public Space(int xx,int yy,int zz) 间 1,2,3)的关于对称标是-1，-2，-3 X XX; y=yy; z ZZ; public static Space operator-(Space dl) {/必须声明为publici和static Space Neg new Space(0,0,0) Neg.x=(-1)*d1.x; Neg.y=(-1)*d1.y; Neg.z=（-1)*d1.z; return Neg; class TestComplex static void Main() { Space d1 new Space(1,2,3) Space d2 =-d1: Console.riteLine("空间坐标(1,2,3)的关于对称坐标是o},1],[2]”,d2.x,d2.y,d2.z): 1717