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直线x-2y+1=0关于直线x=1对称的直线方程是 ( )
A.x+2y-1=0 B.2x+y-1=0
C.2x+y-3=0 D.x+2y-3=0
直线x-2y+1=0关于直线x=1对称的直线方程是
A.x+2y-1=0
B.2x+y-1=0
C.2x+y-3=0
D.x+2y-3=0
点M(-1,0)关于直线x+2y-1=0的对称点的坐标是________;
x+2y-1=0
x+2y-3=0