A. (-1,-1,1)
B. (1,-1,-1)
C. (-1,1,-1)
D. (-1,-1,-1)
已知点(2,1),则它关于原点的对称点坐标为( )A. (1,2)B. (2,-1)C. (-2,1)D. (-2,-1)
[单选题]点(a,b,c)关于y轴的对称点坐标为()A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为()A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为()A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)
[单选题]点(a,b,c)关于y轴的对称点坐标为( )A.(-a,-b,-c)B.(-a,b,-c)C.(-a,b,c)D.(a,-b,c)