点M(2,−3,1)关于坐标原点o及平面xoy的对称点分别是
A: (−2,3,−1)及(2,3,1)
B: (−2,3,−1)及(2,−3,−1)
C: (2,−3,−1)及(−2,−3,−1)
D: (−2,−3,−1)及(2,−3,−1)
A: (−2,3,−1)及(2,3,1)
B: (−2,3,−1)及(2,−3,−1)
C: (2,−3,−1)及(−2,−3,−1)
D: (−2,−3,−1)及(2,−3,−1)
举一反三
- 点(1,−2,3)关于xoy平面、ox轴及坐标原点的对称点分别为(<br/>) A: (1,−2,−3),(1,2,−3)及(−1,2,−3) B: (1,−2,−3),(−1,−2,3)及(−1,2,−3) C: (−1,2,3),(−1,−2,3)及(1,−2,3) D: (−1,2,3),(−1,−2,3)及(−1,2,−3)
- 点M(2,-3,1)关于坐标原点对称的点是( ) A: (-2,3,-1) B: (-2,-3,-1) C: (2,-3,-1) D: (-2,3,1)
- 点(2,-3,1)关于原点的对称点为() A: (-2,3,-1) B: (2,-3,-1) C: (-2,-3,-1) D: (-2,3,1)
- 点M(2, 1, 3)关于坐标原点的对称点坐标是() A: (-2, -1, -3) B: (-2, 1, -3) C: (2, -1, -3) D: (-2, 1, 3)
- 点M(2,<br/>3, −1)关于坐标面yoz的对称点分别是((_______)). A: (2,3,1) B: (−2, 3,−1) C: (−2,−3,−1) D: (2,−3,−1)