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在空间直角坐标系中,点P(1,2,3)关于平面xoz的对称点坐标为( ) A.(...
在空间直角坐标系中,点P(1,2,3)关于平面xoz的对称点坐标为( )
A.(-1,2,3)
B.(-1,-2,3)
C.(1,-2,3)
D.(1,2,-3)
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